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Finding the Fourth Proportional to 418,166.77, 577,028.50 and 236,842.51

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Solution

The fourth proportional to 418,166.77, 577,028.50 and 236,842.51 is: 326,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,166.77 : 577,028.50 = 236,842.51 : x
  2. Step 2: Convert to fraction form
    418,166.77/577,028.50 = 236,842.51/x
  3. Step 3: Cross multiply
    418,166.77x = 577,028.50 × 236,842.51
  4. Step 4: Simplify right side
    418,166.77x = 136,664,878,281.54
  5. Step 5: Solve for x
    x = 136,664,878,281.54/418,166.77
  6. Step 6: Final answer
    x = 326,819.08

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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.