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Finding the Fourth Proportional to 328,046.60, 452,972.60 and 207,382.52

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Solution

The fourth proportional to 328,046.60, 452,972.60 and 207,382.52 is: 286,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,046.60 : 452,972.60 = 207,382.52 : x
  2. Step 2: Convert to fraction form
    328,046.60/452,972.60 = 207,382.52/x
  3. Step 3: Cross multiply
    328,046.60x = 452,972.60 × 207,382.52
  4. Step 4: Simplify right side
    328,046.60x = 93,938,599,278.95
  5. Step 5: Solve for x
    x = 93,938,599,278.95/328,046.60
  6. Step 6: Final answer
    x = 286,357.48

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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.