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Finding the Fourth Proportional to 315,935.91, 473,656.01 and 158,267.79

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Solution

The fourth proportional to 315,935.91, 473,656.01 and 158,267.79 is: 237,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,935.91 : 473,656.01 = 158,267.79 : x
  2. Step 2: Convert to fraction form
    315,935.91/473,656.01 = 158,267.79/x
  3. Step 3: Cross multiply
    315,935.91x = 473,656.01 × 158,267.79
  4. Step 4: Simplify right side
    315,935.91x = 74,964,489,131.58
  5. Step 5: Solve for x
    x = 74,964,489,131.58/315,935.91
  6. Step 6: Final answer
    x = 237,277.52

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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.