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Finding the Fourth Proportional to 574,130.40, 861,096.24 and 174,674.40

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Solution

The fourth proportional to 574,130.40, 861,096.24 and 174,674.40 is: 261,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,130.40 : 861,096.24 = 174,674.40 : x
  2. Step 2: Convert to fraction form
    574,130.40/861,096.24 = 174,674.40/x
  3. Step 3: Cross multiply
    574,130.40x = 861,096.24 × 174,674.40
  4. Step 4: Simplify right side
    574,130.40x = 150,411,469,064.26
  5. Step 5: Solve for x
    x = 150,411,469,064.26/574,130.40
  6. Step 6: Final answer
    x = 261,981.37

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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.