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Finding the Fourth Proportional to 356,424.56, 534,685.98 and 119,785.58

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Solution

The fourth proportional to 356,424.56, 534,685.98 and 119,785.58 is: 179,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,424.56 : 534,685.98 = 119,785.58 : x
  2. Step 2: Convert to fraction form
    356,424.56/534,685.98 = 119,785.58/x
  3. Step 3: Cross multiply
    356,424.56x = 534,685.98 × 119,785.58
  4. Step 4: Simplify right side
    356,424.56x = 64,047,670,232.17
  5. Step 5: Solve for x
    x = 64,047,670,232.17/356,424.56
  6. Step 6: Final answer
    x = 179,694.88

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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.