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Finding the Fourth Proportional to 242,452.53, 334,582.59 and 140,475.78

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Solution

The fourth proportional to 242,452.53, 334,582.59 and 140,475.78 is: 193,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,452.53 : 334,582.59 = 140,475.78 : x
  2. Step 2: Convert to fraction form
    242,452.53/334,582.59 = 140,475.78/x
  3. Step 3: Cross multiply
    242,452.53x = 334,582.59 × 140,475.78
  4. Step 4: Simplify right side
    242,452.53x = 47,000,750,304.67
  5. Step 5: Solve for x
    x = 47,000,750,304.67/242,452.53
  6. Step 6: Final answer
    x = 193,855.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.