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Finding the Fourth Proportional to 365,281.60, 548,008.80 and 115,963.60

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Solution

The fourth proportional to 365,281.60, 548,008.80 and 115,963.60 is: 173,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,281.60 : 548,008.80 = 115,963.60 : x
  2. Step 2: Convert to fraction form
    365,281.60/548,008.80 = 115,963.60/x
  3. Step 3: Cross multiply
    365,281.60x = 548,008.80 × 115,963.60
  4. Step 4: Simplify right side
    365,281.60x = 63,549,073,279.68
  5. Step 5: Solve for x
    x = 63,549,073,279.68/365,281.60
  6. Step 6: Final answer
    x = 173,972.83

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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.