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Finding the Fourth Proportional to 488,015.90, 732,023.85 and 172,483.10

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Solution

The fourth proportional to 488,015.90, 732,023.85 and 172,483.10 is: 258,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,015.90 : 732,023.85 = 172,483.10 : x
  2. Step 2: Convert to fraction form
    488,015.90/732,023.85 = 172,483.10/x
  3. Step 3: Cross multiply
    488,015.90x = 732,023.85 × 172,483.10
  4. Step 4: Simplify right side
    488,015.90x = 126,261,742,921.94
  5. Step 5: Solve for x
    x = 126,261,742,921.94/488,015.90
  6. Step 6: Final answer
    x = 258,724.65

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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.