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Finding the Fourth Proportional to 360,026.20, 540,039.30 and 173,402.20

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Solution

The fourth proportional to 360,026.20, 540,039.30 and 173,402.20 is: 260,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,026.20 : 540,039.30 = 173,402.20 : x
  2. Step 2: Convert to fraction form
    360,026.20/540,039.30 = 173,402.20/x
  3. Step 3: Cross multiply
    360,026.20x = 540,039.30 × 173,402.20
  4. Step 4: Simplify right side
    360,026.20x = 93,644,002,706.46
  5. Step 5: Solve for x
    x = 93,644,002,706.46/360,026.20
  6. Step 6: Final answer
    x = 260,103.30

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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.