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Finding the Fourth Proportional to 534,378.74, 801,493.58 and 134,994.74

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Solution

The fourth proportional to 534,378.74, 801,493.58 and 134,994.74 is: 202,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,378.74 : 801,493.58 = 134,994.74 : x
  2. Step 2: Convert to fraction form
    534,378.74/801,493.58 = 134,994.74/x
  3. Step 3: Cross multiply
    534,378.74x = 801,493.58 × 134,994.74
  4. Step 4: Simplify right side
    534,378.74x = 108,197,413,773.79
  5. Step 5: Solve for x
    x = 108,197,413,773.79/534,378.74
  6. Step 6: Final answer
    x = 202,473.28

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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.