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Finding the Fourth Proportional to 532,406.10, 798,609.15 and 158,429.10

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Solution

The fourth proportional to 532,406.10, 798,609.15 and 158,429.10 is: 237,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,406.10 : 798,609.15 = 158,429.10 : x
  2. Step 2: Convert to fraction form
    532,406.10/798,609.15 = 158,429.10/x
  3. Step 3: Cross multiply
    532,406.10x = 798,609.15 × 158,429.10
  4. Step 4: Simplify right side
    532,406.10x = 126,522,928,886.27
  5. Step 5: Solve for x
    x = 126,522,928,886.27/532,406.10
  6. Step 6: Final answer
    x = 237,643.65

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Double scale
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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.