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Finding the Fourth Proportional to 401,717.54, 602,677.56 and 283,619.54

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Solution

The fourth proportional to 401,717.54, 602,677.56 and 283,619.54 is: 425,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,717.54 : 602,677.56 = 283,619.54 : x
  2. Step 2: Convert to fraction form
    401,717.54/602,677.56 = 283,619.54/x
  3. Step 3: Cross multiply
    401,717.54x = 602,677.56 × 283,619.54
  4. Step 4: Simplify right side
    401,717.54x = 170,931,132,335.52
  5. Step 5: Solve for x
    x = 170,931,132,335.52/401,717.54
  6. Step 6: Final answer
    x = 425,500.79

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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.