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Finding the Fourth Proportional to 557,335.30, 836,002.95 and 401,037.70

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Solution

The fourth proportional to 557,335.30, 836,002.95 and 401,037.70 is: 601,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,335.30 : 836,002.95 = 401,037.70 : x
  2. Step 2: Convert to fraction form
    557,335.30/836,002.95 = 401,037.70/x
  3. Step 3: Cross multiply
    557,335.30x = 836,002.95 × 401,037.70
  4. Step 4: Simplify right side
    557,335.30x = 335,268,700,261.22
  5. Step 5: Solve for x
    x = 335,268,700,261.22/557,335.30
  6. Step 6: Final answer
    x = 601,556.55

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Similar ratio
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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.