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Finding the Fourth Proportional to 657,984.60, 984,644.10 and 448,032.60

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Solution

The fourth proportional to 657,984.60, 984,644.10 and 448,032.60 is: 670,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,984.60 : 984,644.10 = 448,032.60 : x
  2. Step 2: Convert to fraction form
    657,984.60/984,644.10 = 448,032.60/x
  3. Step 3: Cross multiply
    657,984.60x = 984,644.10 × 448,032.60
  4. Step 4: Simplify right side
    657,984.60x = 441,152,656,197.66
  5. Step 5: Solve for x
    x = 441,152,656,197.66/657,984.60
  6. Step 6: Final answer
    x = 670,460.46

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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.