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Finding the Fourth Proportional to 372,241.50, 513,695.70 and 202,476.84

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Solution

The fourth proportional to 372,241.50, 513,695.70 and 202,476.84 is: 279,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.50 : 513,695.70 = 202,476.84 : x
  2. Step 2: Convert to fraction form
    372,241.50/513,695.70 = 202,476.84/x
  3. Step 3: Cross multiply
    372,241.50x = 513,695.70 × 202,476.84
  4. Step 4: Simplify right side
    372,241.50x = 104,011,482,057.59
  5. Step 5: Solve for x
    x = 104,011,482,057.59/372,241.50
  6. Step 6: Final answer
    x = 279,419.36

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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.