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Finding the Fourth Proportional to 272,293.80, 407,634.30 and 202,482.60

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Solution

The fourth proportional to 272,293.80, 407,634.30 and 202,482.60 is: 303,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,293.80 : 407,634.30 = 202,482.60 : x
  2. Step 2: Convert to fraction form
    272,293.80/407,634.30 = 202,482.60/x
  3. Step 3: Cross multiply
    272,293.80x = 407,634.30 × 202,482.60
  4. Step 4: Simplify right side
    272,293.80x = 82,538,852,913.18
  5. Step 5: Solve for x
    x = 82,538,852,913.18/272,293.80
  6. Step 6: Final answer
    x = 303,124.25

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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.