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Finding the Fourth Proportional to 575,138.30, 862,676.06 and 175,778.93

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Solution

The fourth proportional to 575,138.30, 862,676.06 and 175,778.93 is: 263,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,138.30 : 862,676.06 = 175,778.93 : x
  2. Step 2: Convert to fraction form
    575,138.30/862,676.06 = 175,778.93/x
  3. Step 3: Cross multiply
    575,138.30x = 862,676.06 × 175,778.93
  4. Step 4: Simplify right side
    575,138.30x = 151,640,276,041.21
  5. Step 5: Solve for x
    x = 151,640,276,041.21/575,138.30
  6. Step 6: Final answer
    x = 263,658.81

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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.