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Finding the Fourth Proportional to 493,701.56, 681,307.18 and 267,346.36

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Solution

The fourth proportional to 493,701.56, 681,307.18 and 267,346.36 is: 368,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,701.56 : 681,307.18 = 267,346.36 : x
  2. Step 2: Convert to fraction form
    493,701.56/681,307.18 = 267,346.36/x
  3. Step 3: Cross multiply
    493,701.56x = 681,307.18 × 267,346.36
  4. Step 4: Simplify right side
    493,701.56x = 182,144,994,614.87
  5. Step 5: Solve for x
    x = 182,144,994,614.87/493,701.56
  6. Step 6: Final answer
    x = 368,937.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.