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Finding the Fourth Proportional to 571,746.54, 857,655.54 and 192,635.76

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Solution

The fourth proportional to 571,746.54, 857,655.54 and 192,635.76 is: 288,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,746.54 : 857,655.54 = 192,635.76 : x
  2. Step 2: Convert to fraction form
    571,746.54/857,655.54 = 192,635.76/x
  3. Step 3: Cross multiply
    571,746.54x = 857,655.54 × 192,635.76
  4. Step 4: Simplify right side
    571,746.54x = 165,215,126,766.11
  5. Step 5: Solve for x
    x = 165,215,126,766.11/571,746.54
  6. Step 6: Final answer
    x = 288,965.68

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1.5x scale

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.