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Finding the Fourth Proportional to 547,478.35, 755,086.40 and 332,612.35

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Solution

The fourth proportional to 547,478.35, 755,086.40 and 332,612.35 is: 458,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,478.35 : 755,086.40 = 332,612.35 : x
  2. Step 2: Convert to fraction form
    547,478.35/755,086.40 = 332,612.35/x
  3. Step 3: Cross multiply
    547,478.35x = 755,086.40 × 332,612.35
  4. Step 4: Simplify right side
    547,478.35x = 251,151,060,293.98
  5. Step 5: Solve for x
    x = 251,151,060,293.98/547,478.35
  6. Step 6: Final answer
    x = 458,741.54

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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.