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Finding the Fourth Proportional to 418,007.46, 576,856.89 and 236,714.48

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Solution

The fourth proportional to 418,007.46, 576,856.89 and 236,714.48 is: 326,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,007.46 : 576,856.89 = 236,714.48 : x
  2. Step 2: Convert to fraction form
    418,007.46/576,856.89 = 236,714.48/x
  3. Step 3: Cross multiply
    418,007.46x = 576,856.89 × 236,714.48
  4. Step 4: Simplify right side
    418,007.46x = 136,550,378,750.77
  5. Step 5: Solve for x
    x = 136,550,378,750.77/418,007.46
  6. Step 6: Final answer
    x = 326,669.72

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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.