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Finding the Fourth Proportional to 427,637.88, 590,132.75 and 246,349.26

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Solution

The fourth proportional to 427,637.88, 590,132.75 and 246,349.26 is: 339,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,637.88 : 590,132.75 = 246,349.26 : x
  2. Step 2: Convert to fraction form
    427,637.88/590,132.75 = 246,349.26/x
  3. Step 3: Cross multiply
    427,637.88x = 590,132.75 × 246,349.26
  4. Step 4: Simplify right side
    427,637.88x = 145,378,766,264.27
  5. Step 5: Solve for x
    x = 145,378,766,264.27/427,637.88
  6. Step 6: Final answer
    x = 339,957.64

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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.