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Finding the Fourth Proportional to 616,306.30, 924,386.55 and 166,999.30

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Solution

The fourth proportional to 616,306.30, 924,386.55 and 166,999.30 is: 250,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,306.30 : 924,386.55 = 166,999.30 : x
  2. Step 2: Convert to fraction form
    616,306.30/924,386.55 = 166,999.30/x
  3. Step 3: Cross multiply
    616,306.30x = 924,386.55 × 166,999.30
  4. Step 4: Simplify right side
    616,306.30x = 154,371,906,779.42
  5. Step 5: Solve for x
    x = 154,371,906,779.42/616,306.30
  6. Step 6: Final answer
    x = 250,479.20

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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.