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Finding the Fourth Proportional to 480,006.60, 662,404.92 and 265,161.66

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Solution

The fourth proportional to 480,006.60, 662,404.92 and 265,161.66 is: 365,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,006.60 : 662,404.92 = 265,161.66 : x
  2. Step 2: Convert to fraction form
    480,006.60/662,404.92 = 265,161.66/x
  3. Step 3: Cross multiply
    480,006.60x = 662,404.92 × 265,161.66
  4. Step 4: Simplify right side
    480,006.60x = 175,644,388,179.37
  5. Step 5: Solve for x
    x = 175,644,388,179.37/480,006.60
  6. Step 6: Final answer
    x = 365,920.78

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1.5x scale

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.