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Finding the Fourth Proportional to 531,262.71, 733,137.93 and 289,545.24

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Solution

The fourth proportional to 531,262.71, 733,137.93 and 289,545.24 is: 399,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,262.71 : 733,137.93 = 289,545.24 : x
  2. Step 2: Convert to fraction form
    531,262.71/733,137.93 = 289,545.24/x
  3. Step 3: Cross multiply
    531,262.71x = 733,137.93 × 289,545.24
  4. Step 4: Simplify right side
    531,262.71x = 212,276,597,894.95
  5. Step 5: Solve for x
    x = 212,276,597,894.95/531,262.71
  6. Step 6: Final answer
    x = 399,569.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.