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Finding the Fourth Proportional to 332,130.40, 498,195.60 and 313,759.60

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Solution

The fourth proportional to 332,130.40, 498,195.60 and 313,759.60 is: 470,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,130.40 : 498,195.60 = 313,759.60 : x
  2. Step 2: Convert to fraction form
    332,130.40/498,195.60 = 313,759.60/x
  3. Step 3: Cross multiply
    332,130.40x = 498,195.60 × 313,759.60
  4. Step 4: Simplify right side
    332,130.40x = 156,313,652,177.76
  5. Step 5: Solve for x
    x = 156,313,652,177.76/332,130.40
  6. Step 6: Final answer
    x = 470,639.40

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1.5x scale

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.