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Finding the Fourth Proportional to 283,577.76, 425,514.96 and 183,712.32

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Solution

The fourth proportional to 283,577.76, 425,514.96 and 183,712.32 is: 275,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,577.76 : 425,514.96 = 183,712.32 : x
  2. Step 2: Convert to fraction form
    283,577.76/425,514.96 = 183,712.32/x
  3. Step 3: Cross multiply
    283,577.76x = 425,514.96 × 183,712.32
  4. Step 4: Simplify right side
    283,577.76x = 78,172,340,496.31
  5. Step 5: Solve for x
    x = 78,172,340,496.31/283,577.76
  6. Step 6: Final answer
    x = 275,664.57

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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.