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Finding the Fourth Proportional to 488,716.38, 736,404.17 and 401,914.35

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Solution

The fourth proportional to 488,716.38, 736,404.17 and 401,914.35 is: 605,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,716.38 : 736,404.17 = 401,914.35 : x
  2. Step 2: Convert to fraction form
    488,716.38/736,404.17 = 401,914.35/x
  3. Step 3: Cross multiply
    488,716.38x = 736,404.17 × 401,914.35
  4. Step 4: Simplify right side
    488,716.38x = 295,971,401,313.27
  5. Step 5: Solve for x
    x = 295,971,401,313.27/488,716.38
  6. Step 6: Final answer
    x = 605,609.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.