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Finding the Fourth Proportional to 329,320.56, 454,462.16 and 178,417.56

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Solution

The fourth proportional to 329,320.56, 454,462.16 and 178,417.56 is: 246,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,320.56 : 454,462.16 = 178,417.56 : x
  2. Step 2: Convert to fraction form
    329,320.56/454,462.16 = 178,417.56/x
  3. Step 3: Cross multiply
    329,320.56x = 454,462.16 × 178,417.56
  4. Step 4: Simplify right side
    329,320.56x = 81,084,029,699.53
  5. Step 5: Solve for x
    x = 81,084,029,699.53/329,320.56
  6. Step 6: Final answer
    x = 246,216.12

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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.