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Finding the Fourth Proportional to 329,320.48, 454,462.71 and 178,417.48

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Solution

The fourth proportional to 329,320.48, 454,462.71 and 178,417.48 is: 246,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,320.48 : 454,462.71 = 178,417.48 : x
  2. Step 2: Convert to fraction form
    329,320.48/454,462.71 = 178,417.48/x
  3. Step 3: Cross multiply
    329,320.48x = 454,462.71 × 178,417.48
  4. Step 4: Simplify right side
    329,320.48x = 81,084,091,472.17
  5. Step 5: Solve for x
    x = 81,084,091,472.17/329,320.48
  6. Step 6: Final answer
    x = 246,216.36

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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.