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Finding the Fourth Proportional to 602,555.71, 902,899.12 and 349,207.82

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Solution

The fourth proportional to 602,555.71, 902,899.12 and 349,207.82 is: 523,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,555.71 : 902,899.12 = 349,207.82 : x
  2. Step 2: Convert to fraction form
    602,555.71/902,899.12 = 349,207.82/x
  3. Step 3: Cross multiply
    602,555.71x = 902,899.12 × 349,207.82
  4. Step 4: Simplify right side
    602,555.71x = 315,299,433,375.12
  5. Step 5: Solve for x
    x = 315,299,433,375.12/602,555.71
  6. Step 6: Final answer
    x = 523,270.18

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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.