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Finding the Fourth Proportional to 625,901.84, 938,437.92 and 226,490.63

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Solution

The fourth proportional to 625,901.84, 938,437.92 and 226,490.63 is: 339,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,901.84 : 938,437.92 = 226,490.63 : x
  2. Step 2: Convert to fraction form
    625,901.84/938,437.92 = 226,490.63/x
  3. Step 3: Cross multiply
    625,901.84x = 938,437.92 × 226,490.63
  4. Step 4: Simplify right side
    625,901.84x = 212,547,395,716.69
  5. Step 5: Solve for x
    x = 212,547,395,716.69/625,901.84
  6. Step 6: Final answer
    x = 339,585.83

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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.