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Finding the Fourth Proportional to 572,195.10, 858,292.65 and 472,467.90

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Solution

The fourth proportional to 572,195.10, 858,292.65 and 472,467.90 is: 708,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,195.10 : 858,292.65 = 472,467.90 : x
  2. Step 2: Convert to fraction form
    572,195.10/858,292.65 = 472,467.90/x
  3. Step 3: Cross multiply
    572,195.10x = 858,292.65 × 472,467.90
  4. Step 4: Simplify right side
    572,195.10x = 405,515,725,930.94
  5. Step 5: Solve for x
    x = 405,515,725,930.94/572,195.10
  6. Step 6: Final answer
    x = 708,701.85

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Double scale
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Similar ratio
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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.