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Finding the Fourth Proportional to 635,237.80, 876,617.28 and 348,755.80

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Solution

The fourth proportional to 635,237.80, 876,617.28 and 348,755.80 is: 481,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,237.80 : 876,617.28 = 348,755.80 : x
  2. Step 2: Convert to fraction form
    635,237.80/876,617.28 = 348,755.80/x
  3. Step 3: Cross multiply
    635,237.80x = 876,617.28 × 348,755.80
  4. Step 4: Simplify right side
    635,237.80x = 305,725,360,780.22
  5. Step 5: Solve for x
    x = 305,725,360,780.22/635,237.80
  6. Step 6: Final answer
    x = 481,277.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.