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Finding the Fourth Proportional to 582,516.60, 872,025.30 and 345,737.40

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Solution

The fourth proportional to 582,516.60, 872,025.30 and 345,737.40 is: 517,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,516.60 : 872,025.30 = 345,737.40 : x
  2. Step 2: Convert to fraction form
    582,516.60/872,025.30 = 345,737.40/x
  3. Step 3: Cross multiply
    582,516.60x = 872,025.30 × 345,737.40
  4. Step 4: Simplify right side
    582,516.60x = 301,491,759,956.22
  5. Step 5: Solve for x
    x = 301,491,759,956.22/582,516.60
  6. Step 6: Final answer
    x = 517,567.67

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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.