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Finding the Fourth Proportional to 453,955.60, 681,322.20 and 201,624.40

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Solution

The fourth proportional to 453,955.60, 681,322.20 and 201,624.40 is: 302,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,955.60 : 681,322.20 = 201,624.40 : x
  2. Step 2: Convert to fraction form
    453,955.60/681,322.20 = 201,624.40/x
  3. Step 3: Cross multiply
    453,955.60x = 681,322.20 × 201,624.40
  4. Step 4: Simplify right side
    453,955.60x = 137,371,179,781.68
  5. Step 5: Solve for x
    x = 137,371,179,781.68/453,955.60
  6. Step 6: Final answer
    x = 302,609.29

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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.