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Finding the Fourth Proportional to 360,108.06, 540,320.45 and 191,588.78

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Solution

The fourth proportional to 360,108.06, 540,320.45 and 191,588.78 is: 287,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,108.06 : 540,320.45 = 191,588.78 : x
  2. Step 2: Convert to fraction form
    360,108.06/540,320.45 = 191,588.78/x
  3. Step 3: Cross multiply
    360,108.06x = 540,320.45 × 191,588.78
  4. Step 4: Simplify right side
    360,108.06x = 103,519,332,165.01
  5. Step 5: Solve for x
    x = 103,519,332,165.01/360,108.06
  6. Step 6: Final answer
    x = 287,467.41

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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.