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Finding the Fourth Proportional to 480,747.26, 663,404.64 and 265,873.16

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Solution

The fourth proportional to 480,747.26, 663,404.64 and 265,873.16 is: 366,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,747.26 : 663,404.64 = 265,873.16 : x
  2. Step 2: Convert to fraction form
    480,747.26/663,404.64 = 265,873.16/x
  3. Step 3: Cross multiply
    480,747.26x = 663,404.64 × 265,873.16
  4. Step 4: Simplify right side
    480,747.26x = 176,381,487,995.46
  5. Step 5: Solve for x
    x = 176,381,487,995.46/480,747.26
  6. Step 6: Final answer
    x = 366,890.26

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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.