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Finding the Fourth Proportional to 238,239.96, 357,359.67 and 185,688.78

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Solution

The fourth proportional to 238,239.96, 357,359.67 and 185,688.78 is: 278,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,239.96 : 357,359.67 = 185,688.78 : x
  2. Step 2: Convert to fraction form
    238,239.96/357,359.67 = 185,688.78/x
  3. Step 3: Cross multiply
    238,239.96x = 357,359.67 × 185,688.78
  4. Step 4: Simplify right side
    238,239.96x = 66,357,681,143.50
  5. Step 5: Solve for x
    x = 66,357,681,143.50/238,239.96
  6. Step 6: Final answer
    x = 278,532.96

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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.