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Finding the Fourth Proportional to 369,872.34, 510,394.75 and 226,612.90

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Solution

The fourth proportional to 369,872.34, 510,394.75 and 226,612.90 is: 312,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,872.34 : 510,394.75 = 226,612.90 : x
  2. Step 2: Convert to fraction form
    369,872.34/510,394.75 = 226,612.90/x
  3. Step 3: Cross multiply
    369,872.34x = 510,394.75 × 226,612.90
  4. Step 4: Simplify right side
    369,872.34x = 115,662,035,788.43
  5. Step 5: Solve for x
    x = 115,662,035,788.43/369,872.34
  6. Step 6: Final answer
    x = 312,707.99

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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.