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Finding the Fourth Proportional to 590,883.30, 886,543.65 and 236,151.90

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Solution

The fourth proportional to 590,883.30, 886,543.65 and 236,151.90 is: 354,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,883.30 : 886,543.65 = 236,151.90 : x
  2. Step 2: Convert to fraction form
    590,883.30/886,543.65 = 236,151.90/x
  3. Step 3: Cross multiply
    590,883.30x = 886,543.65 × 236,151.90
  4. Step 4: Simplify right side
    590,883.30x = 209,358,967,380.44
  5. Step 5: Solve for x
    x = 209,358,967,380.44/590,883.30
  6. Step 6: Final answer
    x = 354,315.26

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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.