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Finding the Fourth Proportional to 401,725.56, 602,591.88 and 102,206.52

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Solution

The fourth proportional to 401,725.56, 602,591.88 and 102,206.52 is: 153,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,725.56 : 602,591.88 = 102,206.52 : x
  2. Step 2: Convert to fraction form
    401,725.56/602,591.88 = 102,206.52/x
  3. Step 3: Cross multiply
    401,725.56x = 602,591.88 × 102,206.52
  4. Step 4: Simplify right side
    401,725.56x = 61,588,819,035.06
  5. Step 5: Solve for x
    x = 61,588,819,035.06/401,725.56
  6. Step 6: Final answer
    x = 153,310.68

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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.