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Finding the Fourth Proportional to 616,287.90, 924,431.87 and 167,008.75

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Solution

The fourth proportional to 616,287.90, 924,431.87 and 167,008.75 is: 250,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,287.90 : 924,431.87 = 167,008.75 : x
  2. Step 2: Convert to fraction form
    616,287.90/924,431.87 = 167,008.75/x
  3. Step 3: Cross multiply
    616,287.90x = 924,431.87 × 167,008.75
  4. Step 4: Simplify right side
    616,287.90x = 154,388,213,670.67
  5. Step 5: Solve for x
    x = 154,388,213,670.67/616,287.90
  6. Step 6: Final answer
    x = 250,513.13

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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.