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Finding the Fourth Proportional to 516,381.84, 774,551.70 and 179,498.88

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Solution

The fourth proportional to 516,381.84, 774,551.70 and 179,498.88 is: 269,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,381.84 : 774,551.70 = 179,498.88 : x
  2. Step 2: Convert to fraction form
    516,381.84/774,551.70 = 179,498.88/x
  3. Step 3: Cross multiply
    516,381.84x = 774,551.70 × 179,498.88
  4. Step 4: Simplify right side
    516,381.84x = 139,031,162,652.10
  5. Step 5: Solve for x
    x = 139,031,162,652.10/516,381.84
  6. Step 6: Final answer
    x = 269,241.00

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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.