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Finding the Fourth Proportional to 426,525.93, 639,787.06 and 173,750.04

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Solution

The fourth proportional to 426,525.93, 639,787.06 and 173,750.04 is: 260,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,525.93 : 639,787.06 = 173,750.04 : x
  2. Step 2: Convert to fraction form
    426,525.93/639,787.06 = 173,750.04/x
  3. Step 3: Cross multiply
    426,525.93x = 639,787.06 × 173,750.04
  4. Step 4: Simplify right side
    426,525.93x = 111,163,027,483.67
  5. Step 5: Solve for x
    x = 111,163,027,483.67/426,525.93
  6. Step 6: Final answer
    x = 260,624.31

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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.