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Finding the Fourth Proportional to 580,024.40, 813,900.40 and 580,024.40

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Solution

The fourth proportional to 580,024.40, 813,900.40 and 580,024.40 is: 813,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,024.40 : 813,900.40 = 580,024.40 : x
  2. Step 2: Convert to fraction form
    580,024.40/813,900.40 = 580,024.40/x
  3. Step 3: Cross multiply
    580,024.40x = 813,900.40 × 580,024.40
  4. Step 4: Simplify right side
    580,024.40x = 472,082,091,169.76
  5. Step 5: Solve for x
    x = 472,082,091,169.76/580,024.40
  6. Step 6: Final answer
    x = 813,900.40

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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.