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Finding the Fourth Proportional to 418,011.46, 576,862.44 and 236,718.47

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Solution

The fourth proportional to 418,011.46, 576,862.44 and 236,718.47 is: 326,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,011.46 : 576,862.44 = 236,718.47 : x
  2. Step 2: Convert to fraction form
    418,011.46/576,862.44 = 236,718.47/x
  3. Step 3: Cross multiply
    418,011.46x = 576,862.44 × 236,718.47
  4. Step 4: Simplify right side
    418,011.46x = 136,553,994,197.27
  5. Step 5: Solve for x
    x = 136,553,994,197.27/418,011.46
  6. Step 6: Final answer
    x = 326,675.24

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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.