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Finding the Fourth Proportional to 323,140.59, 484,932.29 and 112,778.53

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Solution

The fourth proportional to 323,140.59, 484,932.29 and 112,778.53 is: 169,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,140.59 : 484,932.29 = 112,778.53 : x
  2. Step 2: Convert to fraction form
    323,140.59/484,932.29 = 112,778.53/x
  3. Step 3: Cross multiply
    323,140.59x = 484,932.29 × 112,778.53
  4. Step 4: Simplify right side
    323,140.59x = 54,689,949,039.51
  5. Step 5: Solve for x
    x = 54,689,949,039.51/323,140.59
  6. Step 6: Final answer
    x = 169,245.06

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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.