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Finding the Fourth Proportional to 347,659.40, 522,266.70 and 333,489.80

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Solution

The fourth proportional to 347,659.40, 522,266.70 and 333,489.80 is: 500,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,659.40 : 522,266.70 = 333,489.80 : x
  2. Step 2: Convert to fraction form
    347,659.40/522,266.70 = 333,489.80/x
  3. Step 3: Cross multiply
    347,659.40x = 522,266.70 × 333,489.80
  4. Step 4: Simplify right side
    347,659.40x = 174,170,617,329.66
  5. Step 5: Solve for x
    x = 174,170,617,329.66/347,659.40
  6. Step 6: Final answer
    x = 500,980.61

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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.