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Finding the Fourth Proportional to 336,367.86, 464,220.45 and 251,337.30

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Solution

The fourth proportional to 336,367.86, 464,220.45 and 251,337.30 is: 346,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,367.86 : 464,220.45 = 251,337.30 : x
  2. Step 2: Convert to fraction form
    336,367.86/464,220.45 = 251,337.30/x
  3. Step 3: Cross multiply
    336,367.86x = 464,220.45 × 251,337.30
  4. Step 4: Simplify right side
    336,367.86x = 116,675,914,507.79
  5. Step 5: Solve for x
    x = 116,675,914,507.79/336,367.86
  6. Step 6: Final answer
    x = 346,869.98

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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.