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Finding the Fourth Proportional to 291,795.32, 437,693 and 225,332.39

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Solution

The fourth proportional to 291,795.32, 437,693 and 225,332.39 is: 337,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,795.32 : 437,693 = 225,332.39 : x
  2. Step 2: Convert to fraction form
    291,795.32/437,693 = 225,332.39/x
  3. Step 3: Cross multiply
    291,795.32x = 437,693 × 225,332.39
  4. Step 4: Simplify right side
    291,795.32x = 98,626,409,776.27
  5. Step 5: Solve for x
    x = 98,626,409,776.27/291,795.32
  6. Step 6: Final answer
    x = 337,998.60

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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.