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Finding the Fourth Proportional to 360,223.43, 540,273.65 and 120,304.13

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Solution

The fourth proportional to 360,223.43, 540,273.65 and 120,304.13 is: 180,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,223.43 : 540,273.65 = 120,304.13 : x
  2. Step 2: Convert to fraction form
    360,223.43/540,273.65 = 120,304.13/x
  3. Step 3: Cross multiply
    360,223.43x = 540,273.65 × 120,304.13
  4. Step 4: Simplify right side
    360,223.43x = 64,997,148,122.29
  5. Step 5: Solve for x
    x = 64,997,148,122.29/360,223.43
  6. Step 6: Final answer
    x = 180,435.65

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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.