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Finding the Fourth Proportional to 315,827.08, 473,740.62 and 157,896.52

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Solution

The fourth proportional to 315,827.08, 473,740.62 and 157,896.52 is: 236,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,827.08 : 473,740.62 = 157,896.52 : x
  2. Step 2: Convert to fraction form
    315,827.08/473,740.62 = 157,896.52/x
  3. Step 3: Cross multiply
    315,827.08x = 473,740.62 × 157,896.52
  4. Step 4: Simplify right side
    315,827.08x = 74,801,995,280.64
  5. Step 5: Solve for x
    x = 74,801,995,280.64/315,827.08
  6. Step 6: Final answer
    x = 236,844.78

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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.