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Finding the Fourth Proportional to 301,591.62, 452,461.95 and 213,018.12

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Solution

The fourth proportional to 301,591.62, 452,461.95 and 213,018.12 is: 319,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,591.62 : 452,461.95 = 213,018.12 : x
  2. Step 2: Convert to fraction form
    301,591.62/452,461.95 = 213,018.12/x
  3. Step 3: Cross multiply
    301,591.62x = 452,461.95 × 213,018.12
  4. Step 4: Simplify right side
    301,591.62x = 96,382,593,960.53
  5. Step 5: Solve for x
    x = 96,382,593,960.53/301,591.62
  6. Step 6: Final answer
    x = 319,579.81

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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.