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Finding the Fourth Proportional to 238,313.61, 357,470.13 and 60,820.64

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Solution

The fourth proportional to 238,313.61, 357,470.13 and 60,820.64 is: 91,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,313.61 : 357,470.13 = 60,820.64 : x
  2. Step 2: Convert to fraction form
    238,313.61/357,470.13 = 60,820.64/x
  3. Step 3: Cross multiply
    238,313.61x = 357,470.13 × 60,820.64
  4. Step 4: Simplify right side
    238,313.61x = 21,741,561,783.38
  5. Step 5: Solve for x
    x = 21,741,561,783.38/238,313.61
  6. Step 6: Final answer
    x = 91,230.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.