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Finding the Fourth Proportional to 526,577.82, 726,675.21 and 284,859.83

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Solution

The fourth proportional to 526,577.82, 726,675.21 and 284,859.83 is: 393,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,577.82 : 726,675.21 = 284,859.83 : x
  2. Step 2: Convert to fraction form
    526,577.82/726,675.21 = 284,859.83/x
  3. Step 3: Cross multiply
    526,577.82x = 726,675.21 × 284,859.83
  4. Step 4: Simplify right side
    526,577.82x = 207,000,573,152.44
  5. Step 5: Solve for x
    x = 207,000,573,152.44/526,577.82
  6. Step 6: Final answer
    x = 393,105.38

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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.