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Finding the Fourth Proportional to 547,478.10, 755,086.05 and 332,612.10

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Solution

The fourth proportional to 547,478.10, 755,086.05 and 332,612.10 is: 458,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,478.10 : 755,086.05 = 332,612.10 : x
  2. Step 2: Convert to fraction form
    547,478.10/755,086.05 = 332,612.10/x
  3. Step 3: Cross multiply
    547,478.10x = 755,086.05 × 332,612.10
  4. Step 4: Simplify right side
    547,478.10x = 251,150,756,771.21
  5. Step 5: Solve for x
    x = 251,150,756,771.21/547,478.10
  6. Step 6: Final answer
    x = 458,741.19

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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.