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Finding the Fourth Proportional to 545,207.92, 752,360.88 and 330,334.36

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Solution

The fourth proportional to 545,207.92, 752,360.88 and 330,334.36 is: 455,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,207.92 : 752,360.88 = 330,334.36 : x
  2. Step 2: Convert to fraction form
    545,207.92/752,360.88 = 330,334.36/x
  3. Step 3: Cross multiply
    545,207.92x = 752,360.88 × 330,334.36
  4. Step 4: Simplify right side
    545,207.92x = 248,530,649,783.84
  5. Step 5: Solve for x
    x = 248,530,649,783.84/545,207.92
  6. Step 6: Final answer
    x = 455,845.63

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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.