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Finding the Fourth Proportional to 356,398.66, 534,677.70 and 119,734.84

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Solution

The fourth proportional to 356,398.66, 534,677.70 and 119,734.84 is: 179,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,398.66 : 534,677.70 = 119,734.84 : x
  2. Step 2: Convert to fraction form
    356,398.66/534,677.70 = 119,734.84/x
  3. Step 3: Cross multiply
    356,398.66x = 534,677.70 × 119,734.84
  4. Step 4: Simplify right side
    356,398.66x = 64,019,548,861.07
  5. Step 5: Solve for x
    x = 64,019,548,861.07/356,398.66
  6. Step 6: Final answer
    x = 179,629.04

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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.