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Finding the Fourth Proportional to 418,181.77, 576,963.71 and 236,864.89

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Solution

The fourth proportional to 418,181.77, 576,963.71 and 236,864.89 is: 326,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,181.77 : 576,963.71 = 236,864.89 : x
  2. Step 2: Convert to fraction form
    418,181.77/576,963.71 = 236,864.89/x
  3. Step 3: Cross multiply
    418,181.77x = 576,963.71 × 236,864.89
  4. Step 4: Simplify right side
    418,181.77x = 136,662,444,518.82
  5. Step 5: Solve for x
    x = 136,662,444,518.82/418,181.77
  6. Step 6: Final answer
    x = 326,801.54

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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.