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Finding the Fourth Proportional to 616,257.80, 924,386.70 and 172,968.20

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Solution

The fourth proportional to 616,257.80, 924,386.70 and 172,968.20 is: 259,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,257.80 : 924,386.70 = 172,968.20 : x
  2. Step 2: Convert to fraction form
    616,257.80/924,386.70 = 172,968.20/x
  3. Step 3: Cross multiply
    616,257.80x = 924,386.70 × 172,968.20
  4. Step 4: Simplify right side
    616,257.80x = 159,889,503,602.94
  5. Step 5: Solve for x
    x = 159,889,503,602.94/616,257.80
  6. Step 6: Final answer
    x = 259,452.30

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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.