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Finding the Fourth Proportional to 369,744.34, 554,616.52 and 120,426.34

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Solution

The fourth proportional to 369,744.34, 554,616.52 and 120,426.34 is: 180,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,744.34 : 554,616.52 = 120,426.34 : x
  2. Step 2: Convert to fraction form
    369,744.34/554,616.52 = 120,426.34/x
  3. Step 3: Cross multiply
    369,744.34x = 554,616.52 × 120,426.34
  4. Step 4: Simplify right side
    369,744.34x = 66,790,437,607.14
  5. Step 5: Solve for x
    x = 66,790,437,607.14/369,744.34
  6. Step 6: Final answer
    x = 180,639.51

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Similar ratio
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1.5x scale

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.