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Finding the Fourth Proportional to 672,578.24, 928,151.88 and 370,772.24

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Solution

The fourth proportional to 672,578.24, 928,151.88 and 370,772.24 is: 511,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,578.24 : 928,151.88 = 370,772.24 : x
  2. Step 2: Convert to fraction form
    672,578.24/928,151.88 = 370,772.24/x
  3. Step 3: Cross multiply
    672,578.24x = 928,151.88 × 370,772.24
  4. Step 4: Simplify right side
    672,578.24x = 344,132,951,607.81
  5. Step 5: Solve for x
    x = 344,132,951,607.81/672,578.24
  6. Step 6: Final answer
    x = 511,662.33

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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.