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Finding the Fourth Proportional to 656,495.40, 984,743.10 and 235,716.60

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Solution

The fourth proportional to 656,495.40, 984,743.10 and 235,716.60 is: 353,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,495.40 : 984,743.10 = 235,716.60 : x
  2. Step 2: Convert to fraction form
    656,495.40/984,743.10 = 235,716.60/x
  3. Step 3: Cross multiply
    656,495.40x = 984,743.10 × 235,716.60
  4. Step 4: Simplify right side
    656,495.40x = 232,120,295,405.46
  5. Step 5: Solve for x
    x = 232,120,295,405.46/656,495.40
  6. Step 6: Final answer
    x = 353,574.90

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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.