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Finding the Fourth Proportional to 369,402.93, 554,135.83 and 116,615.80

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Solution

The fourth proportional to 369,402.93, 554,135.83 and 116,615.80 is: 174,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,402.93 : 554,135.83 = 116,615.80 : x
  2. Step 2: Convert to fraction form
    369,402.93/554,135.83 = 116,615.80/x
  3. Step 3: Cross multiply
    369,402.93x = 554,135.83 × 116,615.80
  4. Step 4: Simplify right side
    369,402.93x = 64,620,993,124.11
  5. Step 5: Solve for x
    x = 64,620,993,124.11/369,402.93
  6. Step 6: Final answer
    x = 174,933.62

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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.