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Finding the Fourth Proportional to 440,614.89, 608,034.60 and 259,285.05

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Solution

The fourth proportional to 440,614.89, 608,034.60 and 259,285.05 is: 357,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,614.89 : 608,034.60 = 259,285.05 : x
  2. Step 2: Convert to fraction form
    440,614.89/608,034.60 = 259,285.05/x
  3. Step 3: Cross multiply
    440,614.89x = 608,034.60 × 259,285.05
  4. Step 4: Simplify right side
    440,614.89x = 157,654,281,662.73
  5. Step 5: Solve for x
    x = 157,654,281,662.73/440,614.89
  6. Step 6: Final answer
    x = 357,805.16

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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.