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Finding the Fourth Proportional to 561,253.20, 841,879.80 and 167,269.20

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Solution

The fourth proportional to 561,253.20, 841,879.80 and 167,269.20 is: 250,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,253.20 : 841,879.80 = 167,269.20 : x
  2. Step 2: Convert to fraction form
    561,253.20/841,879.80 = 167,269.20/x
  3. Step 3: Cross multiply
    561,253.20x = 841,879.80 × 167,269.20
  4. Step 4: Simplify right side
    561,253.20x = 140,820,560,642.16
  5. Step 5: Solve for x
    x = 140,820,560,642.16/561,253.20
  6. Step 6: Final answer
    x = 250,903.80

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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.