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Finding the Fourth Proportional to 301,822.20, 452,214.90 and 143,710.20

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Solution

The fourth proportional to 301,822.20, 452,214.90 and 143,710.20 is: 215,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,822.20 : 452,214.90 = 143,710.20 : x
  2. Step 2: Convert to fraction form
    301,822.20/452,214.90 = 143,710.20/x
  3. Step 3: Cross multiply
    301,822.20x = 452,214.90 × 143,710.20
  4. Step 4: Simplify right side
    301,822.20x = 64,987,893,721.98
  5. Step 5: Solve for x
    x = 64,987,893,721.98/301,822.20
  6. Step 6: Final answer
    x = 215,318.47

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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.