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Finding the Fourth Proportional to 296,888.20, 445,610.70 and 156,747.40

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Solution

The fourth proportional to 296,888.20, 445,610.70 and 156,747.40 is: 235,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,888.20 : 445,610.70 = 156,747.40 : x
  2. Step 2: Convert to fraction form
    296,888.20/445,610.70 = 156,747.40/x
  3. Step 3: Cross multiply
    296,888.20x = 445,610.70 × 156,747.40
  4. Step 4: Simplify right side
    296,888.20x = 69,848,318,637.18
  5. Step 5: Solve for x
    x = 69,848,318,637.18/296,888.20
  6. Step 6: Final answer
    x = 235,268.09

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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.