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Finding the Fourth Proportional to 452,443.52, 678,433.20 and 239,326.44

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Solution

The fourth proportional to 452,443.52, 678,433.20 and 239,326.44 is: 358,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,443.52 : 678,433.20 = 239,326.44 : x
  2. Step 2: Convert to fraction form
    452,443.52/678,433.20 = 239,326.44/x
  3. Step 3: Cross multiply
    452,443.52x = 678,433.20 × 239,326.44
  4. Step 4: Simplify right side
    452,443.52x = 162,367,002,533.81
  5. Step 5: Solve for x
    x = 162,367,002,533.81/452,443.52
  6. Step 6: Final answer
    x = 358,866.90

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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.