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Finding the Fourth Proportional to 332,187.40, 498,281.10 and 313,816.60

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Solution

The fourth proportional to 332,187.40, 498,281.10 and 313,816.60 is: 470,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,187.40 : 498,281.10 = 313,816.60 : x
  2. Step 2: Convert to fraction form
    332,187.40/498,281.10 = 313,816.60/x
  3. Step 3: Cross multiply
    332,187.40x = 498,281.10 × 313,816.60
  4. Step 4: Simplify right side
    332,187.40x = 156,368,880,646.26
  5. Step 5: Solve for x
    x = 156,368,880,646.26/332,187.40
  6. Step 6: Final answer
    x = 470,724.90

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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.