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Finding the Fourth Proportional to 575,447.38, 862,569.10 and 196,235.22

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Solution

The fourth proportional to 575,447.38, 862,569.10 and 196,235.22 is: 294,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,447.38 : 862,569.10 = 196,235.22 : x
  2. Step 2: Convert to fraction form
    575,447.38/862,569.10 = 196,235.22/x
  3. Step 3: Cross multiply
    575,447.38x = 862,569.10 × 196,235.22
  4. Step 4: Simplify right side
    575,447.38x = 169,266,437,103.70
  5. Step 5: Solve for x
    x = 169,266,437,103.70/575,447.38
  6. Step 6: Final answer
    x = 294,147.55

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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.