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Finding the Fourth Proportional to 360,371.72, 540,607.23 and 123,683.64

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Solution

The fourth proportional to 360,371.72, 540,607.23 and 123,683.64 is: 185,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,371.72 : 540,607.23 = 123,683.64 : x
  2. Step 2: Convert to fraction form
    360,371.72/540,607.23 = 123,683.64/x
  3. Step 3: Cross multiply
    360,371.72x = 540,607.23 × 123,683.64
  4. Step 4: Simplify right side
    360,371.72x = 66,864,270,016.72
  5. Step 5: Solve for x
    x = 66,864,270,016.72/360,371.72
  6. Step 6: Final answer
    x = 185,542.50

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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.