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Finding the Fourth Proportional to 382,057.20, 573,085.80 and 97,747.20

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Solution

The fourth proportional to 382,057.20, 573,085.80 and 97,747.20 is: 146,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,057.20 : 573,085.80 = 97,747.20 : x
  2. Step 2: Convert to fraction form
    382,057.20/573,085.80 = 97,747.20/x
  3. Step 3: Cross multiply
    382,057.20x = 573,085.80 × 97,747.20
  4. Step 4: Simplify right side
    382,057.20x = 56,017,532,309.76
  5. Step 5: Solve for x
    x = 56,017,532,309.76/382,057.20
  6. Step 6: Final answer
    x = 146,620.80

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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.