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Finding the Fourth Proportional to 580,936.40, 870,022.20 and 580,936.40

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Solution

The fourth proportional to 580,936.40, 870,022.20 and 580,936.40 is: 870,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,936.40 : 870,022.20 = 580,936.40 : x
  2. Step 2: Convert to fraction form
    580,936.40/870,022.20 = 580,936.40/x
  3. Step 3: Cross multiply
    580,936.40x = 870,022.20 × 580,936.40
  4. Step 4: Simplify right side
    580,936.40x = 505,427,564,788.08
  5. Step 5: Solve for x
    x = 505,427,564,788.08/580,936.40
  6. Step 6: Final answer
    x = 870,022.20

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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.