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Finding the Fourth Proportional to 557,380.10, 769,503.22 and 366,947.07

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Solution

The fourth proportional to 557,380.10, 769,503.22 and 366,947.07 is: 506,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,380.10 : 769,503.22 = 366,947.07 : x
  2. Step 2: Convert to fraction form
    557,380.10/769,503.22 = 366,947.07/x
  3. Step 3: Cross multiply
    557,380.10x = 769,503.22 × 366,947.07
  4. Step 4: Simplify right side
    557,380.10x = 282,366,951,934.57
  5. Step 5: Solve for x
    x = 282,366,951,934.57/557,380.10
  6. Step 6: Final answer
    x = 506,596.76

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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.