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Finding the Fourth Proportional to 590,603.70, 886,035.15 and 291,227.70

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Solution

The fourth proportional to 590,603.70, 886,035.15 and 291,227.70 is: 436,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,603.70 : 886,035.15 = 291,227.70 : x
  2. Step 2: Convert to fraction form
    590,603.70/886,035.15 = 291,227.70/x
  3. Step 3: Cross multiply
    590,603.70x = 886,035.15 × 291,227.70
  4. Step 4: Simplify right side
    590,603.70x = 258,037,978,853.66
  5. Step 5: Solve for x
    x = 258,037,978,853.66/590,603.70
  6. Step 6: Final answer
    x = 436,905.46

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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.