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Finding the Fourth Proportional to 266,985.48, 400,084.56 and 252,026.40

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Solution

The fourth proportional to 266,985.48, 400,084.56 and 252,026.40 is: 377,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,985.48 : 400,084.56 = 252,026.40 : x
  2. Step 2: Convert to fraction form
    266,985.48/400,084.56 = 252,026.40/x
  3. Step 3: Cross multiply
    266,985.48x = 400,084.56 × 252,026.40
  4. Step 4: Simplify right side
    266,985.48x = 100,831,871,352.38
  5. Step 5: Solve for x
    x = 100,831,871,352.38/266,985.48
  6. Step 6: Final answer
    x = 377,668.00

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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.