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Finding the Fourth Proportional to 761,889.83, 1,143,025.11 and 537,687.92

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Solution

The fourth proportional to 761,889.83, 1,143,025.11 and 537,687.92 is: 806,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,889.83 : 1,143,025.11 = 537,687.92 : x
  2. Step 2: Convert to fraction form
    761,889.83/1,143,025.11 = 537,687.92/x
  3. Step 3: Cross multiply
    761,889.83x = 1,143,025.11 × 537,687.92
  4. Step 4: Simplify right side
    761,889.83x = 614,590,793,903.67
  5. Step 5: Solve for x
    x = 614,590,793,903.67/761,889.83
  6. Step 6: Final answer
    x = 806,666.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.