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Finding the Fourth Proportional to 478,304.22, 717,497.63 and 123,315.24

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Solution

The fourth proportional to 478,304.22, 717,497.63 and 123,315.24 is: 184,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,304.22 : 717,497.63 = 123,315.24 : x
  2. Step 2: Convert to fraction form
    478,304.22/717,497.63 = 123,315.24/x
  3. Step 3: Cross multiply
    478,304.22x = 717,497.63 × 123,315.24
  4. Step 4: Simplify right side
    478,304.22x = 88,478,391,826.31
  5. Step 5: Solve for x
    x = 88,478,391,826.31/478,304.22
  6. Step 6: Final answer
    x = 184,983.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.