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Finding the Fourth Proportional to 308,044.60, 461,570.10 and 174,527.80

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Solution

The fourth proportional to 308,044.60, 461,570.10 and 174,527.80 is: 261,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,044.60 : 461,570.10 = 174,527.80 : x
  2. Step 2: Convert to fraction form
    308,044.60/461,570.10 = 174,527.80/x
  3. Step 3: Cross multiply
    308,044.60x = 461,570.10 × 174,527.80
  4. Step 4: Simplify right side
    308,044.60x = 80,556,814,098.78
  5. Step 5: Solve for x
    x = 80,556,814,098.78/308,044.60
  6. Step 6: Final answer
    x = 261,510.23

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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.