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Finding the Fourth Proportional to 347,216.56, 520,288.92 and 234,454.84

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Solution

The fourth proportional to 347,216.56, 520,288.92 and 234,454.84 is: 351,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,216.56 : 520,288.92 = 234,454.84 : x
  2. Step 2: Convert to fraction form
    347,216.56/520,288.92 = 234,454.84/x
  3. Step 3: Cross multiply
    347,216.56x = 520,288.92 × 234,454.84
  4. Step 4: Simplify right side
    347,216.56x = 121,984,255,492.37
  5. Step 5: Solve for x
    x = 121,984,255,492.37/347,216.56
  6. Step 6: Final answer
    x = 351,320.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.