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Finding the Fourth Proportional to 480,773.85, 663,473.75 and 265,908.39

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Solution

The fourth proportional to 480,773.85, 663,473.75 and 265,908.39 is: 366,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,773.85 : 663,473.75 = 265,908.39 : x
  2. Step 2: Convert to fraction form
    480,773.85/663,473.75 = 265,908.39/x
  3. Step 3: Cross multiply
    480,773.85x = 663,473.75 × 265,908.39
  4. Step 4: Simplify right side
    480,773.85x = 176,423,235,340.22
  5. Step 5: Solve for x
    x = 176,423,235,340.22/480,773.85
  6. Step 6: Final answer
    x = 366,956.80

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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.