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Finding the Fourth Proportional to 557,327.72, 769,431.06 and 366,894.70

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Solution

The fourth proportional to 557,327.72, 769,431.06 and 366,894.70 is: 506,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,327.72 : 769,431.06 = 366,894.70 : x
  2. Step 2: Convert to fraction form
    557,327.72/769,431.06 = 366,894.70/x
  3. Step 3: Cross multiply
    557,327.72x = 769,431.06 × 366,894.70
  4. Step 4: Simplify right side
    557,327.72x = 282,300,177,929.38
  5. Step 5: Solve for x
    x = 282,300,177,929.38/557,327.72
  6. Step 6: Final answer
    x = 506,524.56

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Double scale
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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.