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Finding the Fourth Proportional to 575,577.66, 862,874.12 and 220,846.26

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Solution

The fourth proportional to 575,577.66, 862,874.12 and 220,846.26 is: 331,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,577.66 : 862,874.12 = 220,846.26 : x
  2. Step 2: Convert to fraction form
    575,577.66/862,874.12 = 220,846.26/x
  3. Step 3: Cross multiply
    575,577.66x = 862,874.12 × 220,846.26
  4. Step 4: Simplify right side
    575,577.66x = 190,562,522,252.79
  5. Step 5: Solve for x
    x = 190,562,522,252.79/575,577.66
  6. Step 6: Final answer
    x = 331,080.47

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1.5x scale

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.