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Finding the Fourth Proportional to 522,068.60, 783,102.90 and 242,132.60

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Solution

The fourth proportional to 522,068.60, 783,102.90 and 242,132.60 is: 363,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,068.60 : 783,102.90 = 242,132.60 : x
  2. Step 2: Convert to fraction form
    522,068.60/783,102.90 = 242,132.60/x
  3. Step 3: Cross multiply
    522,068.60x = 783,102.90 × 242,132.60
  4. Step 4: Simplify right side
    522,068.60x = 189,614,741,244.54
  5. Step 5: Solve for x
    x = 189,614,741,244.54/522,068.60
  6. Step 6: Final answer
    x = 363,198.90

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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.