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Finding the Fourth Proportional to 557,327.24, 769,430.37 and 366,894.20

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Solution

The fourth proportional to 557,327.24, 769,430.37 and 366,894.20 is: 506,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,327.24 : 769,430.37 = 366,894.20 : x
  2. Step 2: Convert to fraction form
    557,327.24/769,430.37 = 366,894.20/x
  3. Step 3: Cross multiply
    557,327.24x = 769,430.37 × 366,894.20
  4. Step 4: Simplify right side
    557,327.24x = 282,299,540,056.85
  5. Step 5: Solve for x
    x = 282,299,540,056.85/557,327.24
  6. Step 6: Final answer
    x = 506,523.85

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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.