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Finding the Fourth Proportional to 350,969.76, 526,472.64 and 98,249.76

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Solution

The fourth proportional to 350,969.76, 526,472.64 and 98,249.76 is: 147,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,969.76 : 526,472.64 = 98,249.76 : x
  2. Step 2: Convert to fraction form
    350,969.76/526,472.64 = 98,249.76/x
  3. Step 3: Cross multiply
    350,969.76x = 526,472.64 × 98,249.76
  4. Step 4: Simplify right side
    350,969.76x = 51,725,810,526.57
  5. Step 5: Solve for x
    x = 51,725,810,526.57/350,969.76
  6. Step 6: Final answer
    x = 147,379.68

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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.