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Finding the Fourth Proportional to 572,553.60, 858,830.40 and 413,923.20

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Solution

The fourth proportional to 572,553.60, 858,830.40 and 413,923.20 is: 620,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,553.60 : 858,830.40 = 413,923.20 : x
  2. Step 2: Convert to fraction form
    572,553.60/858,830.40 = 413,923.20/x
  3. Step 3: Cross multiply
    572,553.60x = 858,830.40 × 413,923.20
  4. Step 4: Simplify right side
    572,553.60x = 355,489,827,425.28
  5. Step 5: Solve for x
    x = 355,489,827,425.28/572,553.60
  6. Step 6: Final answer
    x = 620,884.80

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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.