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Finding the Fourth Proportional to 296,794.02, 410,118.90 and 216,081.45

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Solution

The fourth proportional to 296,794.02, 410,118.90 and 216,081.45 is: 298,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,794.02 : 410,118.90 = 216,081.45 : x
  2. Step 2: Convert to fraction form
    296,794.02/410,118.90 = 216,081.45/x
  3. Step 3: Cross multiply
    296,794.02x = 410,118.90 × 216,081.45
  4. Step 4: Simplify right side
    296,794.02x = 88,619,086,584.41
  5. Step 5: Solve for x
    x = 88,619,086,584.41/296,794.02
  6. Step 6: Final answer
    x = 298,587.84

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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.