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Finding the Fourth Proportional to 602,003.90, 903,005.85 and 602,003.90

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Solution

The fourth proportional to 602,003.90, 903,005.85 and 602,003.90 is: 903,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,003.90 : 903,005.85 = 602,003.90 : x
  2. Step 2: Convert to fraction form
    602,003.90/903,005.85 = 602,003.90/x
  3. Step 3: Cross multiply
    602,003.90x = 903,005.85 × 602,003.90
  4. Step 4: Simplify right side
    602,003.90x = 543,613,043,422.82
  5. Step 5: Solve for x
    x = 543,613,043,422.82/602,003.90
  6. Step 6: Final answer
    x = 903,005.85

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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.