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Finding the Fourth Proportional to 480,590.16, 663,167.66 and 265,700.80

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Solution

The fourth proportional to 480,590.16, 663,167.66 and 265,700.80 is: 366,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,590.16 : 663,167.66 = 265,700.80 : x
  2. Step 2: Convert to fraction form
    480,590.16/663,167.66 = 265,700.80/x
  3. Step 3: Cross multiply
    480,590.16x = 663,167.66 × 265,700.80
  4. Step 4: Simplify right side
    480,590.16x = 176,204,177,796.13
  5. Step 5: Solve for x
    x = 176,204,177,796.13/480,590.16
  6. Step 6: Final answer
    x = 366,641.25

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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.