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Finding the Fourth Proportional to 227,451.68, 341,216.40 and 77,683.76

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Solution

The fourth proportional to 227,451.68, 341,216.40 and 77,683.76 is: 116,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,451.68 : 341,216.40 = 77,683.76 : x
  2. Step 2: Convert to fraction form
    227,451.68/341,216.40 = 77,683.76/x
  3. Step 3: Cross multiply
    227,451.68x = 341,216.40 × 77,683.76
  4. Step 4: Simplify right side
    227,451.68x = 26,506,972,925.66
  5. Step 5: Solve for x
    x = 26,506,972,925.66/227,451.68
  6. Step 6: Final answer
    x = 116,538.92

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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.