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Finding the Fourth Proportional to 369,969.77, 554,970.11 and 117,244.68

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Solution

The fourth proportional to 369,969.77, 554,970.11 and 117,244.68 is: 175,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,969.77 : 554,970.11 = 117,244.68 : x
  2. Step 2: Convert to fraction form
    369,969.77/554,970.11 = 117,244.68/x
  3. Step 3: Cross multiply
    369,969.77x = 554,970.11 × 117,244.68
  4. Step 4: Simplify right side
    369,969.77x = 65,067,290,289.15
  5. Step 5: Solve for x
    x = 65,067,290,289.15/369,969.77
  6. Step 6: Final answer
    x = 175,871.91

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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.