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Finding the Fourth Proportional to 468,265.47, 646,207.98 and 253,405.48

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Solution

The fourth proportional to 468,265.47, 646,207.98 and 253,405.48 is: 349,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,265.47 : 646,207.98 = 253,405.48 : x
  2. Step 2: Convert to fraction form
    468,265.47/646,207.98 = 253,405.48/x
  3. Step 3: Cross multiply
    468,265.47x = 646,207.98 × 253,405.48
  4. Step 4: Simplify right side
    468,265.47x = 163,752,643,351.73
  5. Step 5: Solve for x
    x = 163,752,643,351.73/468,265.47
  6. Step 6: Final answer
    x = 349,700.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.