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Finding the Fourth Proportional to 242,898.53, 364,358.73 and 74,406.56

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Solution

The fourth proportional to 242,898.53, 364,358.73 and 74,406.56 is: 111,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,898.53 : 364,358.73 = 74,406.56 : x
  2. Step 2: Convert to fraction form
    242,898.53/364,358.73 = 74,406.56/x
  3. Step 3: Cross multiply
    242,898.53x = 364,358.73 × 74,406.56
  4. Step 4: Simplify right side
    242,898.53x = 27,110,679,705.27
  5. Step 5: Solve for x
    x = 27,110,679,705.27/242,898.53
  6. Step 6: Final answer
    x = 111,613.19

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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.