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Finding the Fourth Proportional to 616,404.10, 924,606.15 and 173,172.10

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Solution

The fourth proportional to 616,404.10, 924,606.15 and 173,172.10 is: 259,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,404.10 : 924,606.15 = 173,172.10 : x
  2. Step 2: Convert to fraction form
    616,404.10/924,606.15 = 173,172.10/x
  3. Step 3: Cross multiply
    616,404.10x = 924,606.15 × 173,172.10
  4. Step 4: Simplify right side
    616,404.10x = 160,115,988,668.42
  5. Step 5: Solve for x
    x = 160,115,988,668.42/616,404.10
  6. Step 6: Final answer
    x = 259,758.15

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1.5x scale

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.