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Finding the Fourth Proportional to 659,490.02, 910,096.24 and 373,003.96

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Solution

The fourth proportional to 659,490.02, 910,096.24 and 373,003.96 is: 514,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,490.02 : 910,096.24 = 373,003.96 : x
  2. Step 2: Convert to fraction form
    659,490.02/910,096.24 = 373,003.96/x
  3. Step 3: Cross multiply
    659,490.02x = 910,096.24 × 373,003.96
  4. Step 4: Simplify right side
    659,490.02x = 339,469,501,501.11
  5. Step 5: Solve for x
    x = 339,469,501,501.11/659,490.02
  6. Step 6: Final answer
    x = 514,745.47

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Double scale
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Similar ratio
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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.