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Finding the Fourth Proportional to 586,786.20, 880,179.30 and 376,834.20

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Solution

The fourth proportional to 586,786.20, 880,179.30 and 376,834.20 is: 565,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,786.20 : 880,179.30 = 376,834.20 : x
  2. Step 2: Convert to fraction form
    586,786.20/880,179.30 = 376,834.20/x
  3. Step 3: Cross multiply
    586,786.20x = 880,179.30 × 376,834.20
  4. Step 4: Simplify right side
    586,786.20x = 331,681,662,372.06
  5. Step 5: Solve for x
    x = 331,681,662,372.06/586,786.20
  6. Step 6: Final answer
    x = 565,251.30

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Half scale
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Double scale
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Similar ratio
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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.