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Finding the Fourth Proportional to 384,028.10, 576,042.15 and 173,672.90

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Solution

The fourth proportional to 384,028.10, 576,042.15 and 173,672.90 is: 260,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028.10 : 576,042.15 = 173,672.90 : x
  2. Step 2: Convert to fraction form
    384,028.10/576,042.15 = 173,672.90/x
  3. Step 3: Cross multiply
    384,028.10x = 576,042.15 × 173,672.90
  4. Step 4: Simplify right side
    384,028.10x = 100,042,910,712.74
  5. Step 5: Solve for x
    x = 100,042,910,712.74/384,028.10
  6. Step 6: Final answer
    x = 260,509.35

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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.