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Finding the Fourth Proportional to 558,209.70, 837,314.55 and 536,436.90

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Solution

The fourth proportional to 558,209.70, 837,314.55 and 536,436.90 is: 804,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,209.70 : 837,314.55 = 536,436.90 : x
  2. Step 2: Convert to fraction form
    558,209.70/837,314.55 = 536,436.90/x
  3. Step 3: Cross multiply
    558,209.70x = 837,314.55 × 536,436.90
  4. Step 4: Simplify right side
    558,209.70x = 449,166,421,526.90
  5. Step 5: Solve for x
    x = 449,166,421,526.90/558,209.70
  6. Step 6: Final answer
    x = 804,655.35

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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.