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Finding the Fourth Proportional to 366,957.48, 550,431.30 and 100,717.68

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Solution

The fourth proportional to 366,957.48, 550,431.30 and 100,717.68 is: 151,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,957.48 : 550,431.30 = 100,717.68 : x
  2. Step 2: Convert to fraction form
    366,957.48/550,431.30 = 100,717.68/x
  3. Step 3: Cross multiply
    366,957.48x = 550,431.30 × 100,717.68
  4. Step 4: Simplify right side
    366,957.48x = 55,438,163,535.38
  5. Step 5: Solve for x
    x = 55,438,163,535.38/366,957.48
  6. Step 6: Final answer
    x = 151,075.17

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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.