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Finding the Fourth Proportional to 583,691.04, 805,618.88 and 368,694.36

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Solution

The fourth proportional to 583,691.04, 805,618.88 and 368,694.36 is: 508,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,691.04 : 805,618.88 = 368,694.36 : x
  2. Step 2: Convert to fraction form
    583,691.04/805,618.88 = 368,694.36/x
  3. Step 3: Cross multiply
    583,691.04x = 805,618.88 × 368,694.36
  4. Step 4: Simplify right side
    583,691.04x = 297,027,137,365.52
  5. Step 5: Solve for x
    x = 297,027,137,365.52/583,691.04
  6. Step 6: Final answer
    x = 508,877.33

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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.