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Finding the Fourth Proportional to 480,573.74, 663,141.02 and 265,679.12

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Solution

The fourth proportional to 480,573.74, 663,141.02 and 265,679.12 is: 366,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,573.74 : 663,141.02 = 265,679.12 : x
  2. Step 2: Convert to fraction form
    480,573.74/663,141.02 = 265,679.12/x
  3. Step 3: Cross multiply
    480,573.74x = 663,141.02 × 265,679.12
  4. Step 4: Simplify right side
    480,573.74x = 176,182,722,958.96
  5. Step 5: Solve for x
    x = 176,182,722,958.96/480,573.74
  6. Step 6: Final answer
    x = 366,609.13

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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.