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Finding the Fourth Proportional to 574,041.52, 861,131.40 and 189,803.44

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Solution

The fourth proportional to 574,041.52, 861,131.40 and 189,803.44 is: 284,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,041.52 : 861,131.40 = 189,803.44 : x
  2. Step 2: Convert to fraction form
    574,041.52/861,131.40 = 189,803.44/x
  3. Step 3: Cross multiply
    574,041.52x = 861,131.40 × 189,803.44
  4. Step 4: Simplify right side
    574,041.52x = 163,445,702,012.02
  5. Step 5: Solve for x
    x = 163,445,702,012.02/574,041.52
  6. Step 6: Final answer
    x = 284,728.01

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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.