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Finding the Fourth Proportional to 574,172.80, 861,259.20 and 174,810.40

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Solution

The fourth proportional to 574,172.80, 861,259.20 and 174,810.40 is: 262,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,172.80 : 861,259.20 = 174,810.40 : x
  2. Step 2: Convert to fraction form
    574,172.80/861,259.20 = 174,810.40/x
  3. Step 3: Cross multiply
    574,172.80x = 861,259.20 × 174,810.40
  4. Step 4: Simplify right side
    574,172.80x = 150,557,065,255.68
  5. Step 5: Solve for x
    x = 150,557,065,255.68/574,172.80
  6. Step 6: Final answer
    x = 262,215.60

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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.