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Finding the Fourth Proportional to 453,952.60, 681,317.70 and 201,621.40

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Solution

The fourth proportional to 453,952.60, 681,317.70 and 201,621.40 is: 302,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,952.60 : 681,317.70 = 201,621.40 : x
  2. Step 2: Convert to fraction form
    453,952.60/681,317.70 = 201,621.40/x
  3. Step 3: Cross multiply
    453,952.60x = 681,317.70 × 201,621.40
  4. Step 4: Simplify right side
    453,952.60x = 137,368,228,518.78
  5. Step 5: Solve for x
    x = 137,368,228,518.78/453,952.60
  6. Step 6: Final answer
    x = 302,604.78

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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.