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Finding the Fourth Proportional to 469,887.04, 648,444.59 and 255,027.20

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Solution

The fourth proportional to 469,887.04, 648,444.59 and 255,027.20 is: 351,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,887.04 : 648,444.59 = 255,027.20 : x
  2. Step 2: Convert to fraction form
    469,887.04/648,444.59 = 255,027.20/x
  3. Step 3: Cross multiply
    469,887.04x = 648,444.59 × 255,027.20
  4. Step 4: Simplify right side
    469,887.04x = 165,371,008,229.34
  5. Step 5: Solve for x
    x = 165,371,008,229.34/469,887.04
  6. Step 6: Final answer
    x = 351,937.79

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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.