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Finding the Fourth Proportional to 632,996.39, 873,534.95 and 342,607.91

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Solution

The fourth proportional to 632,996.39, 873,534.95 and 342,607.91 is: 472,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,996.39 : 873,534.95 = 342,607.91 : x
  2. Step 2: Convert to fraction form
    632,996.39/873,534.95 = 342,607.91/x
  3. Step 3: Cross multiply
    632,996.39x = 873,534.95 × 342,607.91
  4. Step 4: Simplify right side
    632,996.39x = 299,279,983,296.06
  5. Step 5: Solve for x
    x = 299,279,983,296.06/632,996.39
  6. Step 6: Final answer
    x = 472,798.88

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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.