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Finding the Fourth Proportional to 616,148.70, 924,093.45 and 261,174.30

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Solution

The fourth proportional to 616,148.70, 924,093.45 and 261,174.30 is: 391,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,148.70 : 924,093.45 = 261,174.30 : x
  2. Step 2: Convert to fraction form
    616,148.70/924,093.45 = 261,174.30/x
  3. Step 3: Cross multiply
    616,148.70x = 924,093.45 × 261,174.30
  4. Step 4: Simplify right side
    616,148.70x = 241,349,459,938.34
  5. Step 5: Solve for x
    x = 241,349,459,938.34/616,148.70
  6. Step 6: Final answer
    x = 391,706.51

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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.