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Finding the Fourth Proportional to 480,570.72, 663,235.92 and 265,727.04

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Solution

The fourth proportional to 480,570.72, 663,235.92 and 265,727.04 is: 366,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,570.72 : 663,235.92 = 265,727.04 : x
  2. Step 2: Convert to fraction form
    480,570.72/663,235.92 = 265,727.04/x
  3. Step 3: Cross multiply
    480,570.72x = 663,235.92 × 265,727.04
  4. Step 4: Simplify right side
    480,570.72x = 176,239,717,843.28
  5. Step 5: Solve for x
    x = 176,239,717,843.28/480,570.72
  6. Step 6: Final answer
    x = 366,730.04

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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.