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Finding the Fourth Proportional to 329,357.23, 454,513.28 and 178,454.23

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Solution

The fourth proportional to 329,357.23, 454,513.28 and 178,454.23 is: 246,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,357.23 : 454,513.28 = 178,454.23 : x
  2. Step 2: Convert to fraction form
    329,357.23/454,513.28 = 178,454.23/x
  3. Step 3: Cross multiply
    329,357.23x = 454,513.28 × 178,454.23
  4. Step 4: Simplify right side
    329,357.23x = 81,109,817,407.17
  5. Step 5: Solve for x
    x = 81,109,817,407.17/329,357.23
  6. Step 6: Final answer
    x = 246,267.00

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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.