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Finding the Fourth Proportional to 468,348.60, 701,486.10 and 385,404.60

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Solution

The fourth proportional to 468,348.60, 701,486.10 and 385,404.60 is: 577,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,348.60 : 701,486.10 = 385,404.60 : x
  2. Step 2: Convert to fraction form
    468,348.60/701,486.10 = 385,404.60/x
  3. Step 3: Cross multiply
    468,348.60x = 701,486.10 × 385,404.60
  4. Step 4: Simplify right side
    468,348.60x = 270,355,969,776.06
  5. Step 5: Solve for x
    x = 270,355,969,776.06/468,348.60
  6. Step 6: Final answer
    x = 577,253.72

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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.