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Finding the Fourth Proportional to 372,850.48, 514,952.81 and 251,781.60

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Solution

The fourth proportional to 372,850.48, 514,952.81 and 251,781.60 is: 347,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,850.48 : 514,952.81 = 251,781.60 : x
  2. Step 2: Convert to fraction form
    372,850.48/514,952.81 = 251,781.60/x
  3. Step 3: Cross multiply
    372,850.48x = 514,952.81 × 251,781.60
  4. Step 4: Simplify right side
    372,850.48x = 129,655,642,426.30
  5. Step 5: Solve for x
    x = 129,655,642,426.30/372,850.48
  6. Step 6: Final answer
    x = 347,741.65

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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.