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Finding the Fourth Proportional to 508,564.62, 701,915.85 and 336,486.06

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Solution

The fourth proportional to 508,564.62, 701,915.85 and 336,486.06 is: 464,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,564.62 : 701,915.85 = 336,486.06 : x
  2. Step 2: Convert to fraction form
    508,564.62/701,915.85 = 336,486.06/x
  3. Step 3: Cross multiply
    508,564.62x = 701,915.85 × 336,486.06
  4. Step 4: Simplify right side
    508,564.62x = 236,184,898,818.05
  5. Step 5: Solve for x
    x = 236,184,898,818.05/508,564.62
  6. Step 6: Final answer
    x = 464,414.73

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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.