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Finding the Fourth Proportional to 365,007.60, 547,252.20 and 140,281.20

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Solution

The fourth proportional to 365,007.60, 547,252.20 and 140,281.20 is: 210,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,007.60 : 547,252.20 = 140,281.20 : x
  2. Step 2: Convert to fraction form
    365,007.60/547,252.20 = 140,281.20/x
  3. Step 3: Cross multiply
    365,007.60x = 547,252.20 × 140,281.20
  4. Step 4: Simplify right side
    365,007.60x = 76,769,195,318.64
  5. Step 5: Solve for x
    x = 76,769,195,318.64/365,007.60
  6. Step 6: Final answer
    x = 210,322.18

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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.