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Finding the Fourth Proportional to 580,363.20, 870,544.80 and 580,363.20

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Solution

The fourth proportional to 580,363.20, 870,544.80 and 580,363.20 is: 870,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,363.20 : 870,544.80 = 580,363.20 : x
  2. Step 2: Convert to fraction form
    580,363.20/870,544.80 = 580,363.20/x
  3. Step 3: Cross multiply
    580,363.20x = 870,544.80 × 580,363.20
  4. Step 4: Simplify right side
    580,363.20x = 505,232,165,871.36
  5. Step 5: Solve for x
    x = 505,232,165,871.36/580,363.20
  6. Step 6: Final answer
    x = 870,544.80

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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.