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Finding the Fourth Proportional to 590,604.70, 886,036.65 and 291,228.70

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Solution

The fourth proportional to 590,604.70, 886,036.65 and 291,228.70 is: 436,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,604.70 : 886,036.65 = 291,228.70 : x
  2. Step 2: Convert to fraction form
    590,604.70/886,036.65 = 291,228.70/x
  3. Step 3: Cross multiply
    590,604.70x = 886,036.65 × 291,228.70
  4. Step 4: Simplify right side
    590,604.70x = 258,039,301,731.86
  5. Step 5: Solve for x
    x = 258,039,301,731.86/590,604.70
  6. Step 6: Final answer
    x = 436,906.96

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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.