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Finding the Fourth Proportional to 466,860.72, 644,565.74 and 381,024.75

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Solution

The fourth proportional to 466,860.72, 644,565.74 and 381,024.75 is: 526,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,860.72 : 644,565.74 = 381,024.75 : x
  2. Step 2: Convert to fraction form
    466,860.72/644,565.74 = 381,024.75/x
  3. Step 3: Cross multiply
    466,860.72x = 644,565.74 × 381,024.75
  4. Step 4: Simplify right side
    466,860.72x = 245,595,498,036.94
  5. Step 5: Solve for x
    x = 245,595,498,036.94/466,860.72
  6. Step 6: Final answer
    x = 526,057.32

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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.