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Finding the Fourth Proportional to 356,116.20, 534,254.28 and 119,452.80

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Solution

The fourth proportional to 356,116.20, 534,254.28 and 119,452.80 is: 179,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,116.20 : 534,254.28 = 119,452.80 : x
  2. Step 2: Convert to fraction form
    356,116.20/534,254.28 = 119,452.80/x
  3. Step 3: Cross multiply
    356,116.20x = 534,254.28 × 119,452.80
  4. Step 4: Simplify right side
    356,116.20x = 63,818,169,657.98
  5. Step 5: Solve for x
    x = 63,818,169,657.98/356,116.20
  6. Step 6: Final answer
    x = 179,206.03

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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.