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Finding the Fourth Proportional to 347,996.40, 522,772.20 and 334,777.20

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Solution

The fourth proportional to 347,996.40, 522,772.20 and 334,777.20 is: 502,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,996.40 : 522,772.20 = 334,777.20 : x
  2. Step 2: Convert to fraction form
    347,996.40/522,772.20 = 334,777.20/x
  3. Step 3: Cross multiply
    347,996.40x = 522,772.20 × 334,777.20
  4. Step 4: Simplify right side
    347,996.40x = 175,012,213,353.84
  5. Step 5: Solve for x
    x = 175,012,213,353.84/347,996.40
  6. Step 6: Final answer
    x = 502,913.86

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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.