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Finding the Fourth Proportional to 635,039.50, 876,365.82 and 348,586.24

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Solution

The fourth proportional to 635,039.50, 876,365.82 and 348,586.24 is: 481,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,039.50 : 876,365.82 = 348,586.24 : x
  2. Step 2: Convert to fraction form
    635,039.50/876,365.82 = 348,586.24/x
  3. Step 3: Cross multiply
    635,039.50x = 876,365.82 × 348,586.24
  4. Step 4: Simplify right side
    635,039.50x = 305,489,066,058.32
  5. Step 5: Solve for x
    x = 305,489,066,058.32/635,039.50
  6. Step 6: Final answer
    x = 481,055.22

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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.