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Finding the Fourth Proportional to 672,886.58, 928,571.85 and 366,965.42

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Solution

The fourth proportional to 672,886.58, 928,571.85 and 366,965.42 is: 506,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,886.58 : 928,571.85 = 366,965.42 : x
  2. Step 2: Convert to fraction form
    672,886.58/928,571.85 = 366,965.42/x
  3. Step 3: Cross multiply
    672,886.58x = 928,571.85 × 366,965.42
  4. Step 4: Simplify right side
    672,886.58x = 340,753,758,935.43
  5. Step 5: Solve for x
    x = 340,753,758,935.43/672,886.58
  6. Step 6: Final answer
    x = 506,405.94

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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.