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Finding the Fourth Proportional to 329,938, 455,315.66 and 179,035

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Solution

The fourth proportional to 329,938, 455,315.66 and 179,035 is: 247,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,938 : 455,315.66 = 179,035 : x
  2. Step 2: Convert to fraction form
    329,938/455,315.66 = 179,035/x
  3. Step 3: Cross multiply
    329,938x = 455,315.66 × 179,035
  4. Step 4: Simplify right side
    329,938x = 81,517,438,292.93
  5. Step 5: Solve for x
    x = 81,517,438,292.93/329,938
  6. Step 6: Final answer
    x = 247,068.96

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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.