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Finding the Fourth Proportional to 480,515.72, 663,052.30 and 265,659.98

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Solution

The fourth proportional to 480,515.72, 663,052.30 and 265,659.98 is: 366,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,515.72 : 663,052.30 = 265,659.98 : x
  2. Step 2: Convert to fraction form
    480,515.72/663,052.30 = 265,659.98/x
  3. Step 3: Cross multiply
    480,515.72x = 663,052.30 × 265,659.98
  4. Step 4: Simplify right side
    480,515.72x = 176,146,456,777.54
  5. Step 5: Solve for x
    x = 176,146,456,777.54/480,515.72
  6. Step 6: Final answer
    x = 366,577.93

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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.