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Finding the Fourth Proportional to 356,344.91, 534,693.01 and 166,818.12

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Solution

The fourth proportional to 356,344.91, 534,693.01 and 166,818.12 is: 250,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,344.91 : 534,693.01 = 166,818.12 : x
  2. Step 2: Convert to fraction form
    356,344.91/534,693.01 = 166,818.12/x
  3. Step 3: Cross multiply
    356,344.91x = 534,693.01 × 166,818.12
  4. Step 4: Simplify right side
    356,344.91x = 89,196,482,705.34
  5. Step 5: Solve for x
    x = 89,196,482,705.34/356,344.91
  6. Step 6: Final answer
    x = 250,309.41

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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.