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Finding the Fourth Proportional to 438,818.93, 605,570.13 and 237,614.93

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Solution

The fourth proportional to 438,818.93, 605,570.13 and 237,614.93 is: 327,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,818.93 : 605,570.13 = 237,614.93 : x
  2. Step 2: Convert to fraction form
    438,818.93/605,570.13 = 237,614.93/x
  3. Step 3: Cross multiply
    438,818.93x = 605,570.13 × 237,614.93
  4. Step 4: Simplify right side
    438,818.93x = 143,892,504,050.04
  5. Step 5: Solve for x
    x = 143,892,504,050.04/438,818.93
  6. Step 6: Final answer
    x = 327,908.61

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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.