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Finding the Fourth Proportional to 543,608.73, 750,159.51 and 301,906.87

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Solution

The fourth proportional to 543,608.73, 750,159.51 and 301,906.87 is: 416,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,608.73 : 750,159.51 = 301,906.87 : x
  2. Step 2: Convert to fraction form
    543,608.73/750,159.51 = 301,906.87/x
  3. Step 3: Cross multiply
    543,608.73x = 750,159.51 × 301,906.87
  4. Step 4: Simplify right side
    543,608.73x = 226,478,304,404.50
  5. Step 5: Solve for x
    x = 226,478,304,404.50/543,608.73
  6. Step 6: Final answer
    x = 416,620.07

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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.