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Finding the Fourth Proportional to 650,591.82, 897,821.28 and 364,138.56

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Solution

The fourth proportional to 650,591.82, 897,821.28 and 364,138.56 is: 502,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,591.82 : 897,821.28 = 364,138.56 : x
  2. Step 2: Convert to fraction form
    650,591.82/897,821.28 = 364,138.56/x
  3. Step 3: Cross multiply
    650,591.82x = 897,821.28 × 364,138.56
  4. Step 4: Simplify right side
    650,591.82x = 326,931,348,036.56
  5. Step 5: Solve for x
    x = 326,931,348,036.56/650,591.82
  6. Step 6: Final answer
    x = 502,513.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.