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Finding the Fourth Proportional to 558,358.20, 837,537.30 and 292,200.30

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Solution

The fourth proportional to 558,358.20, 837,537.30 and 292,200.30 is: 438,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.20 : 837,537.30 = 292,200.30 : x
  2. Step 2: Convert to fraction form
    558,358.20/837,537.30 = 292,200.30/x
  3. Step 3: Cross multiply
    558,358.20x = 837,537.30 × 292,200.30
  4. Step 4: Simplify right side
    558,358.20x = 244,728,650,321.19
  5. Step 5: Solve for x
    x = 244,728,650,321.19/558,358.20
  6. Step 6: Final answer
    x = 438,300.45

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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.