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Finding the Fourth Proportional to 347,655.40, 522,260.70 and 333,485.80

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Solution

The fourth proportional to 347,655.40, 522,260.70 and 333,485.80 is: 500,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,655.40 : 522,260.70 = 333,485.80 : x
  2. Step 2: Convert to fraction form
    347,655.40/522,260.70 = 333,485.80/x
  3. Step 3: Cross multiply
    347,655.40x = 522,260.70 × 333,485.80
  4. Step 4: Simplify right side
    347,655.40x = 174,166,527,348.06
  5. Step 5: Solve for x
    x = 174,166,527,348.06/347,655.40
  6. Step 6: Final answer
    x = 500,974.61

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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.