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Finding the Fourth Proportional to 402,097.72, 605,970.56 and 362,166.76

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Solution

The fourth proportional to 402,097.72, 605,970.56 and 362,166.76 is: 545,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,097.72 : 605,970.56 = 362,166.76 : x
  2. Step 2: Convert to fraction form
    402,097.72/605,970.56 = 362,166.76/x
  3. Step 3: Cross multiply
    402,097.72x = 605,970.56 × 362,166.76
  4. Step 4: Simplify right side
    402,097.72x = 219,462,394,370.59
  5. Step 5: Solve for x
    x = 219,462,394,370.59/402,097.72
  6. Step 6: Final answer
    x = 545,793.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.