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Finding the Fourth Proportional to 510,862.71, 704,990.70 and 296,127.39

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Solution

The fourth proportional to 510,862.71, 704,990.70 and 296,127.39 is: 408,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,862.71 : 704,990.70 = 296,127.39 : x
  2. Step 2: Convert to fraction form
    510,862.71/704,990.70 = 296,127.39/x
  3. Step 3: Cross multiply
    510,862.71x = 704,990.70 × 296,127.39
  4. Step 4: Simplify right side
    510,862.71x = 208,767,055,965.27
  5. Step 5: Solve for x
    x = 208,767,055,965.27/510,862.71
  6. Step 6: Final answer
    x = 408,655.89

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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.