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Finding the Fourth Proportional to 480,580.68, 663,144.90 and 265,707.92

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Solution

The fourth proportional to 480,580.68, 663,144.90 and 265,707.92 is: 366,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,580.68 : 663,144.90 = 265,707.92 : x
  2. Step 2: Convert to fraction form
    480,580.68/663,144.90 = 265,707.92/x
  3. Step 3: Cross multiply
    480,580.68x = 663,144.90 × 265,707.92
  4. Step 4: Simplify right side
    480,580.68x = 176,202,852,037.61
  5. Step 5: Solve for x
    x = 176,202,852,037.61/480,580.68
  6. Step 6: Final answer
    x = 366,645.73

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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.