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Finding the Fourth Proportional to 583,313.75, 804,972.98 and 315,041.75

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Solution

The fourth proportional to 583,313.75, 804,972.98 and 315,041.75 is: 434,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,313.75 : 804,972.98 = 315,041.75 : x
  2. Step 2: Convert to fraction form
    583,313.75/804,972.98 = 315,041.75/x
  3. Step 3: Cross multiply
    583,313.75x = 804,972.98 × 315,041.75
  4. Step 4: Simplify right side
    583,313.75x = 253,600,096,321.92
  5. Step 5: Solve for x
    x = 253,600,096,321.92/583,313.75
  6. Step 6: Final answer
    x = 434,757.62

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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.