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Finding the Fourth Proportional to 580,876,688.60, 813,832,025.80 and 580,876,688.60

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Solution

The fourth proportional to 580,876,688.60, 813,832,025.80 and 580,876,688.60 is: 813,832,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,876,688.60 : 813,832,025.80 = 580,876,688.60 : x
  2. Step 2: Convert to fraction form
    580,876,688.60/813,832,025.80 = 580,876,688.60/x
  3. Step 3: Cross multiply
    580,876,688.60x = 813,832,025.80 × 580,876,688.60
  4. Step 4: Simplify right side
    580,876,688.60x = 472,736,052,223,333,760
  5. Step 5: Solve for x
    x = 472,736,052,223,333,760/580,876,688.60
  6. Step 6: Final answer
    x = 813,832,025.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.