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Finding the Fourth Proportional to 534,356.43, 801,534.64 and 134,998.35

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Solution

The fourth proportional to 534,356.43, 801,534.64 and 134,998.35 is: 202,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,356.43 : 801,534.64 = 134,998.35 : x
  2. Step 2: Convert to fraction form
    534,356.43/801,534.64 = 134,998.35/x
  3. Step 3: Cross multiply
    534,356.43x = 801,534.64 × 134,998.35
  4. Step 4: Simplify right side
    534,356.43x = 108,205,853,867.84
  5. Step 5: Solve for x
    x = 108,205,853,867.84/534,356.43
  6. Step 6: Final answer
    x = 202,497.52

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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.