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Finding the Fourth Proportional to 572,800.53, 858,495.15 and 235,630.74

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Solution

The fourth proportional to 572,800.53, 858,495.15 and 235,630.74 is: 353,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,800.53 : 858,495.15 = 235,630.74 : x
  2. Step 2: Convert to fraction form
    572,800.53/858,495.15 = 235,630.74/x
  3. Step 3: Cross multiply
    572,800.53x = 858,495.15 × 235,630.74
  4. Step 4: Simplify right side
    572,800.53x = 202,287,847,480.91
  5. Step 5: Solve for x
    x = 202,287,847,480.91/572,800.53
  6. Step 6: Final answer
    x = 353,155.83

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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.