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Finding the Fourth Proportional to 479,854.72, 662,209.86 and 265,008.52

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Solution

The fourth proportional to 479,854.72, 662,209.86 and 265,008.52 is: 365,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,854.72 : 662,209.86 = 265,008.52 : x
  2. Step 2: Convert to fraction form
    479,854.72/662,209.86 = 265,008.52/x
  3. Step 3: Cross multiply
    479,854.72x = 662,209.86 × 265,008.52
  4. Step 4: Simplify right side
    479,854.72x = 175,491,254,928.01
  5. Step 5: Solve for x
    x = 175,491,254,928.01/479,854.72
  6. Step 6: Final answer
    x = 365,717.47

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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.