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Finding the Fourth Proportional to 369,568.30, 554,352.45 and 120,250.30

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Solution

The fourth proportional to 369,568.30, 554,352.45 and 120,250.30 is: 180,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,568.30 : 554,352.45 = 120,250.30 : x
  2. Step 2: Convert to fraction form
    369,568.30/554,352.45 = 120,250.30/x
  3. Step 3: Cross multiply
    369,568.30x = 554,352.45 × 120,250.30
  4. Step 4: Simplify right side
    369,568.30x = 66,661,048,418.24
  5. Step 5: Solve for x
    x = 66,661,048,418.24/369,568.30
  6. Step 6: Final answer
    x = 180,375.45

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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.