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Finding the Fourth Proportional to 607,532.60, 910,205.40 and 481,998.80

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Solution

The fourth proportional to 607,532.60, 910,205.40 and 481,998.80 is: 722,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,532.60 : 910,205.40 = 481,998.80 : x
  2. Step 2: Convert to fraction form
    607,532.60/910,205.40 = 481,998.80/x
  3. Step 3: Cross multiply
    607,532.60x = 910,205.40 × 481,998.80
  4. Step 4: Simplify right side
    607,532.60x = 438,717,910,553.52
  5. Step 5: Solve for x
    x = 438,717,910,553.52/607,532.60
  6. Step 6: Final answer
    x = 722,130.65

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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.