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Finding the Fourth Proportional to 704,994.80, 1,057,492.20 and 565,026.80

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Solution

The fourth proportional to 704,994.80, 1,057,492.20 and 565,026.80 is: 847,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,994.80 : 1,057,492.20 = 565,026.80 : x
  2. Step 2: Convert to fraction form
    704,994.80/1,057,492.20 = 565,026.80/x
  3. Step 3: Cross multiply
    704,994.80x = 1,057,492.20 × 565,026.80
  4. Step 4: Simplify right side
    704,994.80x = 597,511,433,790.96
  5. Step 5: Solve for x
    x = 597,511,433,790.96/704,994.80
  6. Step 6: Final answer
    x = 847,540.20

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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.