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Finding the Fourth Proportional to 805,937.04, 1,112,940 and 519,948.72

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Solution

The fourth proportional to 805,937.04, 1,112,940 and 519,948.72 is: 718,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,937.04 : 1,112,940 = 519,948.72 : x
  2. Step 2: Convert to fraction form
    805,937.04/1,112,940 = 519,948.72/x
  3. Step 3: Cross multiply
    805,937.04x = 1,112,940 × 519,948.72
  4. Step 4: Simplify right side
    805,937.04x = 578,671,728,436.80
  5. Step 5: Solve for x
    x = 578,671,728,436.80/805,937.04
  6. Step 6: Final answer
    x = 718,011.08

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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.