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Finding the Fourth Proportional to 329,214.29, 454,352.59 and 185,983.56

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Solution

The fourth proportional to 329,214.29, 454,352.59 and 185,983.56 is: 256,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,214.29 : 454,352.59 = 185,983.56 : x
  2. Step 2: Convert to fraction form
    329,214.29/454,352.59 = 185,983.56/x
  3. Step 3: Cross multiply
    329,214.29x = 454,352.59 × 185,983.56
  4. Step 4: Simplify right side
    329,214.29x = 84,502,112,415.90
  5. Step 5: Solve for x
    x = 84,502,112,415.90/329,214.29
  6. Step 6: Final answer
    x = 256,678.14

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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.