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Finding the Fourth Proportional to 347,801.40, 522,479.70 and 333,631.80

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Solution

The fourth proportional to 347,801.40, 522,479.70 and 333,631.80 is: 501,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,801.40 : 522,479.70 = 333,631.80 : x
  2. Step 2: Convert to fraction form
    347,801.40/522,479.70 = 333,631.80/x
  3. Step 3: Cross multiply
    347,801.40x = 522,479.70 × 333,631.80
  4. Step 4: Simplify right side
    347,801.40x = 174,315,842,774.46
  5. Step 5: Solve for x
    x = 174,315,842,774.46/347,801.40
  6. Step 6: Final answer
    x = 501,193.62

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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.