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Finding the Fourth Proportional to 918,119.42, 1,377,069.42 and 244,250

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Solution

The fourth proportional to 918,119.42, 1,377,069.42 and 244,250 is: 366,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,119.42 : 1,377,069.42 = 244,250 : x
  2. Step 2: Convert to fraction form
    918,119.42/1,377,069.42 = 244,250/x
  3. Step 3: Cross multiply
    918,119.42x = 1,377,069.42 × 244,250
  4. Step 4: Simplify right side
    918,119.42x = 336,349,205,835
  5. Step 5: Solve for x
    x = 336,349,205,835/918,119.42
  6. Step 6: Final answer
    x = 366,345.81

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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.