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Finding the Fourth Proportional to 452,385.48, 677,544.41 and 215,894.24

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Solution

The fourth proportional to 452,385.48, 677,544.41 and 215,894.24 is: 323,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,385.48 : 677,544.41 = 215,894.24 : x
  2. Step 2: Convert to fraction form
    452,385.48/677,544.41 = 215,894.24/x
  3. Step 3: Cross multiply
    452,385.48x = 677,544.41 × 215,894.24
  4. Step 4: Simplify right side
    452,385.48x = 146,277,935,463.20
  5. Step 5: Solve for x
    x = 146,277,935,463.20/452,385.48
  6. Step 6: Final answer
    x = 323,347.99

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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.