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Finding the Fourth Proportional to 315,573.52, 473,347.32 and 175,242.64

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Solution

The fourth proportional to 315,573.52, 473,347.32 and 175,242.64 is: 262,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,573.52 : 473,347.32 = 175,242.64 : x
  2. Step 2: Convert to fraction form
    315,573.52/473,347.32 = 175,242.64/x
  3. Step 3: Cross multiply
    315,573.52x = 473,347.32 × 175,242.64
  4. Step 4: Simplify right side
    315,573.52x = 82,950,633,993.72
  5. Step 5: Solve for x
    x = 82,950,633,993.72/315,573.52
  6. Step 6: Final answer
    x = 262,856.76

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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.