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Finding the Fourth Proportional to 575,561.52, 862,816.32 and 201,380.40

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Solution

The fourth proportional to 575,561.52, 862,816.32 and 201,380.40 is: 301,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,561.52 : 862,816.32 = 201,380.40 : x
  2. Step 2: Convert to fraction form
    575,561.52/862,816.32 = 201,380.40/x
  3. Step 3: Cross multiply
    575,561.52x = 862,816.32 × 201,380.40
  4. Step 4: Simplify right side
    575,561.52x = 173,754,295,648.13
  5. Step 5: Solve for x
    x = 173,754,295,648.13/575,561.52
  6. Step 6: Final answer
    x = 301,886.57

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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.