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Finding the Fourth Proportional to 625,536.54, 938,304.80 and 541,045.72

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Solution

The fourth proportional to 625,536.54, 938,304.80 and 541,045.72 is: 811,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,536.54 : 938,304.80 = 541,045.72 : x
  2. Step 2: Convert to fraction form
    625,536.54/938,304.80 = 541,045.72/x
  3. Step 3: Cross multiply
    625,536.54x = 938,304.80 × 541,045.72
  4. Step 4: Simplify right side
    625,536.54x = 507,665,796,095.46
  5. Step 5: Solve for x
    x = 507,665,796,095.46/625,536.54
  6. Step 6: Final answer
    x = 811,568.57

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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.