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Finding the Fourth Proportional to 558,082.90, 837,124.35 and 558,082.90

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Solution

The fourth proportional to 558,082.90, 837,124.35 and 558,082.90 is: 837,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,082.90 : 837,124.35 = 558,082.90 : x
  2. Step 2: Convert to fraction form
    558,082.90/837,124.35 = 558,082.90/x
  3. Step 3: Cross multiply
    558,082.90x = 837,124.35 × 558,082.90
  4. Step 4: Simplify right side
    558,082.90x = 467,184,784,908.62
  5. Step 5: Solve for x
    x = 467,184,784,908.62/558,082.90
  6. Step 6: Final answer
    x = 837,124.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.