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Finding the Fourth Proportional to 480,567.12, 663,155.84 and 265,694.64

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Solution

The fourth proportional to 480,567.12, 663,155.84 and 265,694.64 is: 366,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,567.12 : 663,155.84 = 265,694.64 : x
  2. Step 2: Convert to fraction form
    480,567.12/663,155.84 = 265,694.64/x
  3. Step 3: Cross multiply
    480,567.12x = 663,155.84 × 265,694.64
  4. Step 4: Simplify right side
    480,567.12x = 176,196,952,172.70
  5. Step 5: Solve for x
    x = 176,196,952,172.70/480,567.12
  6. Step 6: Final answer
    x = 366,643.79

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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.