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Finding the Fourth Proportional to 369,744.06, 554,616.12 and 120,426.06

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Solution

The fourth proportional to 369,744.06, 554,616.12 and 120,426.06 is: 180,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,744.06 : 554,616.12 = 120,426.06 : x
  2. Step 2: Convert to fraction form
    369,744.06/554,616.12 = 120,426.06/x
  3. Step 3: Cross multiply
    369,744.06x = 554,616.12 × 120,426.06
  4. Step 4: Simplify right side
    369,744.06x = 66,790,234,144.09
  5. Step 5: Solve for x
    x = 66,790,234,144.09/369,744.06
  6. Step 6: Final answer
    x = 180,639.10

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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.