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Finding the Fourth Proportional to 702,527.60, 969,511.57 and 430,542.93

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Solution

The fourth proportional to 702,527.60, 969,511.57 and 430,542.93 is: 594,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,527.60 : 969,511.57 = 430,542.93 : x
  2. Step 2: Convert to fraction form
    702,527.60/969,511.57 = 430,542.93/x
  3. Step 3: Cross multiply
    702,527.60x = 969,511.57 × 430,542.93
  4. Step 4: Simplify right side
    702,527.60x = 417,416,354,576.01
  5. Step 5: Solve for x
    x = 417,416,354,576.01/702,527.60
  6. Step 6: Final answer
    x = 594,163.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.