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Finding the Fourth Proportional to 651,046.80, 976,213.45 and 201,642.91

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Solution

The fourth proportional to 651,046.80, 976,213.45 and 201,642.91 is: 302,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,046.80 : 976,213.45 = 201,642.91 : x
  2. Step 2: Convert to fraction form
    651,046.80/976,213.45 = 201,642.91/x
  3. Step 3: Cross multiply
    651,046.80x = 976,213.45 × 201,642.91
  4. Step 4: Simplify right side
    651,046.80x = 196,846,518,650.66
  5. Step 5: Solve for x
    x = 196,846,518,650.66/651,046.80
  6. Step 6: Final answer
    x = 302,353.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.