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Finding the Fourth Proportional to 235,677.78, 325,237.41 and 217,818.90

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Solution

The fourth proportional to 235,677.78, 325,237.41 and 217,818.90 is: 300,592.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,677.78 : 325,237.41 = 217,818.90 : x
  2. Step 2: Convert to fraction form
    235,677.78/325,237.41 = 217,818.90/x
  3. Step 3: Cross multiply
    235,677.78x = 325,237.41 × 217,818.90
  4. Step 4: Simplify right side
    235,677.78x = 70,842,854,885.05
  5. Step 5: Solve for x
    x = 70,842,854,885.05/235,677.78
  6. Step 6: Final answer
    x = 300,592.00

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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.