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Finding the Fourth Proportional to 554,366.64, 765,025.88 and 299,717.83

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Solution

The fourth proportional to 554,366.64, 765,025.88 and 299,717.83 is: 413,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,366.64 : 765,025.88 = 299,717.83 : x
  2. Step 2: Convert to fraction form
    554,366.64/765,025.88 = 299,717.83/x
  3. Step 3: Cross multiply
    554,366.64x = 765,025.88 × 299,717.83
  4. Step 4: Simplify right side
    554,366.64x = 229,291,896,647.44
  5. Step 5: Solve for x
    x = 229,291,896,647.44/554,366.64
  6. Step 6: Final answer
    x = 413,610.56

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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.