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Finding the Fourth Proportional to 672,893.58, 928,581.51 and 366,972.42

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Solution

The fourth proportional to 672,893.58, 928,581.51 and 366,972.42 is: 506,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,893.58 : 928,581.51 = 366,972.42 : x
  2. Step 2: Convert to fraction form
    672,893.58/928,581.51 = 366,972.42/x
  3. Step 3: Cross multiply
    672,893.58x = 928,581.51 × 366,972.42
  4. Step 4: Simplify right side
    672,893.58x = 340,763,803,891.95
  5. Step 5: Solve for x
    x = 340,763,803,891.95/672,893.58
  6. Step 6: Final answer
    x = 506,415.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.