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Finding the Fourth Proportional to 554,141.44, 764,714 and 299,492

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Solution

The fourth proportional to 554,141.44, 764,714 and 299,492 is: 413,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,141.44 : 764,714 = 299,492 : x
  2. Step 2: Convert to fraction form
    554,141.44/764,714 = 299,492/x
  3. Step 3: Cross multiply
    554,141.44x = 764,714 × 299,492
  4. Step 4: Simplify right side
    554,141.44x = 229,025,725,288
  5. Step 5: Solve for x
    x = 229,025,725,288/554,141.44
  6. Step 6: Final answer
    x = 413,298.32

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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.