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Finding the Fourth Proportional to 299,083.77, 412,502.25 and 191,663.80

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Solution

The fourth proportional to 299,083.77, 412,502.25 and 191,663.80 is: 264,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,083.77 : 412,502.25 = 191,663.80 : x
  2. Step 2: Convert to fraction form
    299,083.77/412,502.25 = 191,663.80/x
  3. Step 3: Cross multiply
    299,083.77x = 412,502.25 × 191,663.80
  4. Step 4: Simplify right side
    299,083.77x = 79,061,748,743.55
  5. Step 5: Solve for x
    x = 79,061,748,743.55/299,083.77
  6. Step 6: Final answer
    x = 264,346.50

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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.