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Finding the Fourth Proportional to 701,695.84, 968,783.04 and 486,760.72

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Solution

The fourth proportional to 701,695.84, 968,783.04 and 486,760.72 is: 672,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,695.84 : 968,783.04 = 486,760.72 : x
  2. Step 2: Convert to fraction form
    701,695.84/968,783.04 = 486,760.72/x
  3. Step 3: Cross multiply
    701,695.84x = 968,783.04 × 486,760.72
  4. Step 4: Simplify right side
    701,695.84x = 471,565,530,074.19
  5. Step 5: Solve for x
    x = 471,565,530,074.19/701,695.84
  6. Step 6: Final answer
    x = 672,036.95

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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.