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Finding the Fourth Proportional to 650,671.39, 897,798.91 and 408,813.84

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Solution

The fourth proportional to 650,671.39, 897,798.91 and 408,813.84 is: 564,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,671.39 : 897,798.91 = 408,813.84 : x
  2. Step 2: Convert to fraction form
    650,671.39/897,798.91 = 408,813.84/x
  3. Step 3: Cross multiply
    650,671.39x = 897,798.91 × 408,813.84
  4. Step 4: Simplify right side
    650,671.39x = 367,032,619,944.91
  5. Step 5: Solve for x
    x = 367,032,619,944.91/650,671.39
  6. Step 6: Final answer
    x = 564,082.92

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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.