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Finding the Fourth Proportional to 254,538.79, 381,806.80 and 62,410.84

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Solution

The fourth proportional to 254,538.79, 381,806.80 and 62,410.84 is: 93,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,538.79 : 381,806.80 = 62,410.84 : x
  2. Step 2: Convert to fraction form
    254,538.79/381,806.80 = 62,410.84/x
  3. Step 3: Cross multiply
    254,538.79x = 381,806.80 × 62,410.84
  4. Step 4: Simplify right side
    254,538.79x = 23,828,881,995.17
  5. Step 5: Solve for x
    x = 23,828,881,995.17/254,538.79
  6. Step 6: Final answer
    x = 93,615.92

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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.