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Finding the Fourth Proportional to 347,997.90, 522,774.45 and 334,778.70

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Solution

The fourth proportional to 347,997.90, 522,774.45 and 334,778.70 is: 502,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,997.90 : 522,774.45 = 334,778.70 : x
  2. Step 2: Convert to fraction form
    347,997.90/522,774.45 = 334,778.70/x
  3. Step 3: Cross multiply
    347,997.90x = 522,774.45 × 334,778.70
  4. Step 4: Simplify right side
    347,997.90x = 175,013,750,764.22
  5. Step 5: Solve for x
    x = 175,013,750,764.22/347,997.90
  6. Step 6: Final answer
    x = 502,916.11

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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.