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Finding the Fourth Proportional to 546,525.70, 819,788.55 and 172,500.10

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Solution

The fourth proportional to 546,525.70, 819,788.55 and 172,500.10 is: 258,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,525.70 : 819,788.55 = 172,500.10 : x
  2. Step 2: Convert to fraction form
    546,525.70/819,788.55 = 172,500.10/x
  3. Step 3: Cross multiply
    546,525.70x = 819,788.55 × 172,500.10
  4. Step 4: Simplify right side
    546,525.70x = 141,413,606,853.86
  5. Step 5: Solve for x
    x = 141,413,606,853.86/546,525.70
  6. Step 6: Final answer
    x = 258,750.15

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Similar ratio
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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.