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Finding the Fourth Proportional to 480,515.44, 663,125.13 and 265,669.32

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Solution

The fourth proportional to 480,515.44, 663,125.13 and 265,669.32 is: 366,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,515.44 : 663,125.13 = 265,669.32 : x
  2. Step 2: Convert to fraction form
    480,515.44/663,125.13 = 265,669.32/x
  3. Step 3: Cross multiply
    480,515.44x = 663,125.13 × 265,669.32
  4. Step 4: Simplify right side
    480,515.44x = 176,172,001,118.65
  5. Step 5: Solve for x
    x = 176,172,001,118.65/480,515.44
  6. Step 6: Final answer
    x = 366,631.30

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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.