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Finding the Fourth Proportional to 329,998.76, 455,398.17 and 179,095.76

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Solution

The fourth proportional to 329,998.76, 455,398.17 and 179,095.76 is: 247,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,998.76 : 455,398.17 = 179,095.76 : x
  2. Step 2: Convert to fraction form
    329,998.76/455,398.17 = 179,095.76/x
  3. Step 3: Cross multiply
    329,998.76x = 455,398.17 × 179,095.76
  4. Step 4: Simplify right side
    329,998.76x = 81,559,881,358.76
  5. Step 5: Solve for x
    x = 81,559,881,358.76/329,998.76
  6. Step 6: Final answer
    x = 247,152.08

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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.