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Finding the Fourth Proportional to 384,773.84, 577,291.98 and 207,299.06

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Solution

The fourth proportional to 384,773.84, 577,291.98 and 207,299.06 is: 311,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,773.84 : 577,291.98 = 207,299.06 : x
  2. Step 2: Convert to fraction form
    384,773.84/577,291.98 = 207,299.06/x
  3. Step 3: Cross multiply
    384,773.84x = 577,291.98 × 207,299.06
  4. Step 4: Simplify right side
    384,773.84x = 119,672,084,799.54
  5. Step 5: Solve for x
    x = 119,672,084,799.54/384,773.84
  6. Step 6: Final answer
    x = 311,019.29

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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.