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Finding the Fourth Proportional to 615,930.88, 849,516.25 and 530,034.64

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Solution

The fourth proportional to 615,930.88, 849,516.25 and 530,034.64 is: 731,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,930.88 : 849,516.25 = 530,034.64 : x
  2. Step 2: Convert to fraction form
    615,930.88/849,516.25 = 530,034.64/x
  3. Step 3: Cross multiply
    615,930.88x = 849,516.25 × 530,034.64
  4. Step 4: Simplify right side
    615,930.88x = 450,273,039,742.90
  5. Step 5: Solve for x
    x = 450,273,039,742.90/615,930.88
  6. Step 6: Final answer
    x = 731,044.76

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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.