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Finding the Fourth Proportional to 555,003.80, 832,505.70 and 200,029.40

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Solution

The fourth proportional to 555,003.80, 832,505.70 and 200,029.40 is: 300,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,003.80 : 832,505.70 = 200,029.40 : x
  2. Step 2: Convert to fraction form
    555,003.80/832,505.70 = 200,029.40/x
  3. Step 3: Cross multiply
    555,003.80x = 832,505.70 × 200,029.40
  4. Step 4: Simplify right side
    555,003.80x = 166,525,615,667.58
  5. Step 5: Solve for x
    x = 166,525,615,667.58/555,003.80
  6. Step 6: Final answer
    x = 300,044.10

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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.