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Finding the Fourth Proportional to 386,852.84, 533,858.79 and 241,742.88

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Solution

The fourth proportional to 386,852.84, 533,858.79 and 241,742.88 is: 333,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,852.84 : 533,858.79 = 241,742.88 : x
  2. Step 2: Convert to fraction form
    386,852.84/533,858.79 = 241,742.88/x
  3. Step 3: Cross multiply
    386,852.84x = 533,858.79 × 241,742.88
  4. Step 4: Simplify right side
    386,852.84x = 129,056,562,314.45
  5. Step 5: Solve for x
    x = 129,056,562,314.45/386,852.84
  6. Step 6: Final answer
    x = 333,606.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.