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Finding the Fourth Proportional to 672,800.94, 928,458.42 and 366,876.54

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Solution

The fourth proportional to 672,800.94, 928,458.42 and 366,876.54 is: 506,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,800.94 : 928,458.42 = 366,876.54 : x
  2. Step 2: Convert to fraction form
    672,800.94/928,458.42 = 366,876.54/x
  3. Step 3: Cross multiply
    672,800.94x = 928,458.42 × 366,876.54
  4. Step 4: Simplify right side
    672,800.94x = 340,629,612,663.47
  5. Step 5: Solve for x
    x = 340,629,612,663.47/672,800.94
  6. Step 6: Final answer
    x = 506,285.88

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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.