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Finding the Fourth Proportional to 329,969.68, 455,358.46 and 179,066.68

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Solution

The fourth proportional to 329,969.68, 455,358.46 and 179,066.68 is: 247,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,969.68 : 455,358.46 = 179,066.68 : x
  2. Step 2: Convert to fraction form
    329,969.68/455,358.46 = 179,066.68/x
  3. Step 3: Cross multiply
    329,969.68x = 455,358.46 × 179,066.68
  4. Step 4: Simplify right side
    329,969.68x = 81,539,527,642.11
  5. Step 5: Solve for x
    x = 81,539,527,642.11/329,969.68
  6. Step 6: Final answer
    x = 247,112.18

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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.