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Finding the Fourth Proportional to 572,134.52, 858,480.56 and 235,276.40

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Solution

The fourth proportional to 572,134.52, 858,480.56 and 235,276.40 is: 353,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,134.52 : 858,480.56 = 235,276.40 : x
  2. Step 2: Convert to fraction form
    572,134.52/858,480.56 = 235,276.40/x
  3. Step 3: Cross multiply
    572,134.52x = 858,480.56 × 235,276.40
  4. Step 4: Simplify right side
    572,134.52x = 201,980,215,626.78
  5. Step 5: Solve for x
    x = 201,980,215,626.78/572,134.52
  6. Step 6: Final answer
    x = 353,029.24

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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.