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Finding the Fourth Proportional to 480,588.30, 663,200.10 and 265,722.84

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Solution

The fourth proportional to 480,588.30, 663,200.10 and 265,722.84 is: 366,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,588.30 : 663,200.10 = 265,722.84 : x
  2. Step 2: Convert to fraction form
    480,588.30/663,200.10 = 265,722.84/x
  3. Step 3: Cross multiply
    480,588.30x = 663,200.10 × 265,722.84
  4. Step 4: Simplify right side
    480,588.30x = 176,227,414,060.28
  5. Step 5: Solve for x
    x = 176,227,414,060.28/480,588.30
  6. Step 6: Final answer
    x = 366,691.02

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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.