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Finding the Fourth Proportional to 529,843.71, 731,203.52 and 303,532.95

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Solution

The fourth proportional to 529,843.71, 731,203.52 and 303,532.95 is: 418,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,843.71 : 731,203.52 = 303,532.95 : x
  2. Step 2: Convert to fraction form
    529,843.71/731,203.52 = 303,532.95/x
  3. Step 3: Cross multiply
    529,843.71x = 731,203.52 × 303,532.95
  4. Step 4: Simplify right side
    529,843.71x = 221,944,364,407.71
  5. Step 5: Solve for x
    x = 221,944,364,407.71/529,843.71
  6. Step 6: Final answer
    x = 418,886.47

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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.