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Finding the Fourth Proportional to 480,528.20, 663,102.41 and 265,655.45

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Solution

The fourth proportional to 480,528.20, 663,102.41 and 265,655.45 is: 366,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,528.20 : 663,102.41 = 265,655.45 : x
  2. Step 2: Convert to fraction form
    480,528.20/663,102.41 = 265,655.45/x
  3. Step 3: Cross multiply
    480,528.20x = 663,102.41 × 265,655.45
  4. Step 4: Simplify right side
    480,528.20x = 176,156,769,454.11
  5. Step 5: Solve for x
    x = 176,156,769,454.11/480,528.20
  6. Step 6: Final answer
    x = 366,589.87

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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.