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Finding the Fourth Proportional to 418,267.91, 577,208.30 and 237,014.39

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Solution

The fourth proportional to 418,267.91, 577,208.30 and 237,014.39 is: 327,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,267.91 : 577,208.30 = 237,014.39 : x
  2. Step 2: Convert to fraction form
    418,267.91/577,208.30 = 237,014.39/x
  3. Step 3: Cross multiply
    418,267.91x = 577,208.30 × 237,014.39
  4. Step 4: Simplify right side
    418,267.91x = 136,806,673,636.33
  5. Step 5: Solve for x
    x = 136,806,673,636.33/418,267.91
  6. Step 6: Final answer
    x = 327,079.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.