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Finding the Fourth Proportional to 480,589.16, 663,166.28 and 265,699.80

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Solution

The fourth proportional to 480,589.16, 663,166.28 and 265,699.80 is: 366,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,589.16 : 663,166.28 = 265,699.80 : x
  2. Step 2: Convert to fraction form
    480,589.16/663,166.28 = 265,699.80/x
  3. Step 3: Cross multiply
    480,589.16x = 663,166.28 × 265,699.80
  4. Step 4: Simplify right side
    480,589.16x = 176,203,147,962.74
  5. Step 5: Solve for x
    x = 176,203,147,962.74/480,589.16
  6. Step 6: Final answer
    x = 366,639.87

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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.