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Finding the Fourth Proportional to 372,360.76, 513,847.74 and 202,591.24

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Solution

The fourth proportional to 372,360.76, 513,847.74 and 202,591.24 is: 279,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,360.76 : 513,847.74 = 202,591.24 : x
  2. Step 2: Convert to fraction form
    372,360.76/513,847.74 = 202,591.24/x
  3. Step 3: Cross multiply
    372,360.76x = 513,847.74 × 202,591.24
  4. Step 4: Simplify right side
    372,360.76x = 104,101,050,817.80
  5. Step 5: Solve for x
    x = 104,101,050,817.80/372,360.76
  6. Step 6: Final answer
    x = 279,570.41

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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.