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Finding the Fourth Proportional to 548,813.80, 823,281.18 and 174,750.76

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Solution

The fourth proportional to 548,813.80, 823,281.18 and 174,750.76 is: 262,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,813.80 : 823,281.18 = 174,750.76 : x
  2. Step 2: Convert to fraction form
    548,813.80/823,281.18 = 174,750.76/x
  3. Step 3: Cross multiply
    548,813.80x = 823,281.18 × 174,750.76
  4. Step 4: Simplify right side
    548,813.80x = 143,869,011,898.70
  5. Step 5: Solve for x
    x = 143,869,011,898.70/548,813.80
  6. Step 6: Final answer
    x = 262,145.40

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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.