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Finding the Fourth Proportional to 247,465.71, 341,503.56 and 134,288.46

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Solution

The fourth proportional to 247,465.71, 341,503.56 and 134,288.46 is: 185,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,465.71 : 341,503.56 = 134,288.46 : x
  2. Step 2: Convert to fraction form
    247,465.71/341,503.56 = 134,288.46/x
  3. Step 3: Cross multiply
    247,465.71x = 341,503.56 × 134,288.46
  4. Step 4: Simplify right side
    247,465.71x = 45,859,987,156.92
  5. Step 5: Solve for x
    x = 45,859,987,156.92/247,465.71
  6. Step 6: Final answer
    x = 185,318.55

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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.