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Finding the Fourth Proportional to 656,375.10, 984,562.46 and 157,739.10

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Solution

The fourth proportional to 656,375.10, 984,562.46 and 157,739.10 is: 236,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,375.10 : 984,562.46 = 157,739.10 : x
  2. Step 2: Convert to fraction form
    656,375.10/984,562.46 = 157,739.10/x
  3. Step 3: Cross multiply
    656,375.10x = 984,562.46 × 157,739.10
  4. Step 4: Simplify right side
    656,375.10x = 155,303,996,334.19
  5. Step 5: Solve for x
    x = 155,303,996,334.19/656,375.10
  6. Step 6: Final answer
    x = 236,608.60

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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.