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Finding the Fourth Proportional to 569,660.76, 786,116.34 and 315,003.24

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Solution

The fourth proportional to 569,660.76, 786,116.34 and 315,003.24 is: 434,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,660.76 : 786,116.34 = 315,003.24 : x
  2. Step 2: Convert to fraction form
    569,660.76/786,116.34 = 315,003.24/x
  3. Step 3: Cross multiply
    569,660.76x = 786,116.34 × 315,003.24
  4. Step 4: Simplify right side
    569,660.76x = 247,629,194,116.94
  5. Step 5: Solve for x
    x = 247,629,194,116.94/569,660.76
  6. Step 6: Final answer
    x = 434,695.90

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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.