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Finding the Fourth Proportional to 198,005.40, 296,813.70 and 177,010.20

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Solution

The fourth proportional to 198,005.40, 296,813.70 and 177,010.20 is: 265,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,005.40 : 296,813.70 = 177,010.20 : x
  2. Step 2: Convert to fraction form
    198,005.40/296,813.70 = 177,010.20/x
  3. Step 3: Cross multiply
    198,005.40x = 296,813.70 × 177,010.20
  4. Step 4: Simplify right side
    198,005.40x = 52,539,052,399.74
  5. Step 5: Solve for x
    x = 52,539,052,399.74/198,005.40
  6. Step 6: Final answer
    x = 265,341.51

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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.