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Finding the Fourth Proportional to 554,365.64, 765,024.50 and 299,716.83

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Solution

The fourth proportional to 554,365.64, 765,024.50 and 299,716.83 is: 413,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,365.64 : 765,024.50 = 299,716.83 : x
  2. Step 2: Convert to fraction form
    554,365.64/765,024.50 = 299,716.83/x
  3. Step 3: Cross multiply
    554,365.64x = 765,024.50 × 299,716.83
  4. Step 4: Simplify right side
    554,365.64x = 229,290,718,761.63
  5. Step 5: Solve for x
    x = 229,290,718,761.63/554,365.64
  6. Step 6: Final answer
    x = 413,609.18

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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.