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Finding the Fourth Proportional to 672,414.85, 927,932.84 and 382,026.93

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Solution

The fourth proportional to 672,414.85, 927,932.84 and 382,026.93 is: 527,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,414.85 : 927,932.84 = 382,026.93 : x
  2. Step 2: Convert to fraction form
    672,414.85/927,932.84 = 382,026.93/x
  3. Step 3: Cross multiply
    672,414.85x = 927,932.84 × 382,026.93
  4. Step 4: Simplify right side
    672,414.85x = 354,495,329,471.72
  5. Step 5: Solve for x
    x = 354,495,329,471.72/672,414.85
  6. Step 6: Final answer
    x = 527,197.35

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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.