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Finding the Fourth Proportional to 254,539.79, 381,808.30 and 62,411.84

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Solution

The fourth proportional to 254,539.79, 381,808.30 and 62,411.84 is: 93,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,539.79 : 381,808.30 = 62,411.84 : x
  2. Step 2: Convert to fraction form
    254,539.79/381,808.30 = 62,411.84/x
  3. Step 3: Cross multiply
    254,539.79x = 381,808.30 × 62,411.84
  4. Step 4: Simplify right side
    254,539.79x = 23,829,358,530.27
  5. Step 5: Solve for x
    x = 23,829,358,530.27/254,539.79
  6. Step 6: Final answer
    x = 93,617.42

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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.