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Finding the Fourth Proportional to 581,658.80, 872,545.80 and 202,521.20

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Solution

The fourth proportional to 581,658.80, 872,545.80 and 202,521.20 is: 303,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,658.80 : 872,545.80 = 202,521.20 : x
  2. Step 2: Convert to fraction form
    581,658.80/872,545.80 = 202,521.20/x
  3. Step 3: Cross multiply
    581,658.80x = 872,545.80 × 202,521.20
  4. Step 4: Simplify right side
    581,658.80x = 176,709,022,470.96
  5. Step 5: Solve for x
    x = 176,709,022,470.96/581,658.80
  6. Step 6: Final answer
    x = 303,801.86

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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.