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Finding the Fourth Proportional to 283,254.81, 425,300.99 and 189,071.79

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Solution

The fourth proportional to 283,254.81, 425,300.99 and 189,071.79 is: 283,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,254.81 : 425,300.99 = 189,071.79 : x
  2. Step 2: Convert to fraction form
    283,254.81/425,300.99 = 189,071.79/x
  3. Step 3: Cross multiply
    283,254.81x = 425,300.99 × 189,071.79
  4. Step 4: Simplify right side
    283,254.81x = 80,412,418,522.71
  5. Step 5: Solve for x
    x = 80,412,418,522.71/283,254.81
  6. Step 6: Final answer
    x = 283,887.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.