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Finding the Fourth Proportional to 324,007.60, 485,946.60 and 155,527.60

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Solution

The fourth proportional to 324,007.60, 485,946.60 and 155,527.60 is: 233,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,007.60 : 485,946.60 = 155,527.60 : x
  2. Step 2: Convert to fraction form
    324,007.60/485,946.60 = 155,527.60/x
  3. Step 3: Cross multiply
    324,007.60x = 485,946.60 × 155,527.60
  4. Step 4: Simplify right side
    324,007.60x = 75,578,108,426.16
  5. Step 5: Solve for x
    x = 75,578,108,426.16/324,007.60
  6. Step 6: Final answer
    x = 233,260.30

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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.