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Finding the Fourth Proportional to 356,675.76, 492,131.70 and 241,970.04

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Solution

The fourth proportional to 356,675.76, 492,131.70 and 241,970.04 is: 333,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,675.76 : 492,131.70 = 241,970.04 : x
  2. Step 2: Convert to fraction form
    356,675.76/492,131.70 = 241,970.04/x
  3. Step 3: Cross multiply
    356,675.76x = 492,131.70 × 241,970.04
  4. Step 4: Simplify right side
    356,675.76x = 119,081,127,134.27
  5. Step 5: Solve for x
    x = 119,081,127,134.27/356,675.76
  6. Step 6: Final answer
    x = 333,863.81

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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.