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Finding the Fourth Proportional to 272,968.60, 409,064.10 and 201,332.20

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Solution

The fourth proportional to 272,968.60, 409,064.10 and 201,332.20 is: 301,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,968.60 : 409,064.10 = 201,332.20 : x
  2. Step 2: Convert to fraction form
    272,968.60/409,064.10 = 201,332.20/x
  3. Step 3: Cross multiply
    272,968.60x = 409,064.10 × 201,332.20
  4. Step 4: Simplify right side
    272,968.60x = 82,357,775,194.02
  5. Step 5: Solve for x
    x = 82,357,775,194.02/272,968.60
  6. Step 6: Final answer
    x = 301,711.53

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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.