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Finding the Fourth Proportional to 276,070.10, 414,542.55 and 201,712.10

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Solution

The fourth proportional to 276,070.10, 414,542.55 and 201,712.10 is: 302,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,070.10 : 414,542.55 = 201,712.10 : x
  2. Step 2: Convert to fraction form
    276,070.10/414,542.55 = 201,712.10/x
  3. Step 3: Cross multiply
    276,070.10x = 414,542.55 × 201,712.10
  4. Step 4: Simplify right side
    276,070.10x = 83,618,248,299.86
  5. Step 5: Solve for x
    x = 83,618,248,299.86/276,070.10
  6. Step 6: Final answer
    x = 302,887.74

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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.