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Finding the Fourth Proportional to 467,314.95, 645,109.92 and 273,695.79

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Solution

The fourth proportional to 467,314.95, 645,109.92 and 273,695.79 is: 377,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,314.95 : 645,109.92 = 273,695.79 : x
  2. Step 2: Convert to fraction form
    467,314.95/645,109.92 = 273,695.79/x
  3. Step 3: Cross multiply
    467,314.95x = 645,109.92 × 273,695.79
  4. Step 4: Simplify right side
    467,314.95x = 176,563,869,191.24
  5. Step 5: Solve for x
    x = 176,563,869,191.24/467,314.95
  6. Step 6: Final answer
    x = 377,826.28

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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.