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Finding the Fourth Proportional to 586,131.71, 808,905.20 and 328,034.52

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Solution

The fourth proportional to 586,131.71, 808,905.20 and 328,034.52 is: 452,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,131.71 : 808,905.20 = 328,034.52 : x
  2. Step 2: Convert to fraction form
    586,131.71/808,905.20 = 328,034.52/x
  3. Step 3: Cross multiply
    586,131.71x = 808,905.20 × 328,034.52
  4. Step 4: Simplify right side
    586,131.71x = 265,348,827,367.33
  5. Step 5: Solve for x
    x = 265,348,827,367.33/586,131.71
  6. Step 6: Final answer
    x = 452,711.95

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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.