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Finding the Fourth Proportional to 475,856.48, 656,700.84 and 261,004.40

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Solution

The fourth proportional to 475,856.48, 656,700.84 and 261,004.40 is: 360,196.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,856.48 : 656,700.84 = 261,004.40 : x
  2. Step 2: Convert to fraction form
    475,856.48/656,700.84 = 261,004.40/x
  3. Step 3: Cross multiply
    475,856.48x = 656,700.84 × 261,004.40
  4. Step 4: Simplify right side
    475,856.48x = 171,401,808,723.70
  5. Step 5: Solve for x
    x = 171,401,808,723.70/475,856.48
  6. Step 6: Final answer
    x = 360,196.44

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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.