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Finding the Fourth Proportional to 480,508.07, 663,072.64 and 265,635.32

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Solution

The fourth proportional to 480,508.07, 663,072.64 and 265,635.32 is: 366,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,508.07 : 663,072.64 = 265,635.32 : x
  2. Step 2: Convert to fraction form
    480,508.07/663,072.64 = 265,635.32/x
  3. Step 3: Cross multiply
    480,508.07x = 663,072.64 × 265,635.32
  4. Step 4: Simplify right side
    480,508.07x = 176,135,512,909.65
  5. Step 5: Solve for x
    x = 176,135,512,909.65/480,508.07
  6. Step 6: Final answer
    x = 366,560.99

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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.