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Finding the Fourth Proportional to 393,564.52, 543,259.27 and 232,420.22

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Solution

The fourth proportional to 393,564.52, 543,259.27 and 232,420.22 is: 320,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,564.52 : 543,259.27 = 232,420.22 : x
  2. Step 2: Convert to fraction form
    393,564.52/543,259.27 = 232,420.22/x
  3. Step 3: Cross multiply
    393,564.52x = 543,259.27 × 232,420.22
  4. Step 4: Simplify right side
    393,564.52x = 126,264,439,050.44
  5. Step 5: Solve for x
    x = 126,264,439,050.44/393,564.52
  6. Step 6: Final answer
    x = 320,822.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.