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Finding the Fourth Proportional to 574,647.48, 861,971.70 and 180,663.48

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Solution

The fourth proportional to 574,647.48, 861,971.70 and 180,663.48 is: 270,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,647.48 : 861,971.70 = 180,663.48 : x
  2. Step 2: Convert to fraction form
    574,647.48/861,971.70 = 180,663.48/x
  3. Step 3: Cross multiply
    574,647.48x = 861,971.70 × 180,663.48
  4. Step 4: Simplify right side
    574,647.48x = 155,726,806,983.52
  5. Step 5: Solve for x
    x = 155,726,806,983.52/574,647.48
  6. Step 6: Final answer
    x = 270,995.37

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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.