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Finding the Fourth Proportional to 440,377.22, 607,721.74 and 259,095.98

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Solution

The fourth proportional to 440,377.22, 607,721.74 and 259,095.98 is: 357,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,377.22 : 607,721.74 = 259,095.98 : x
  2. Step 2: Convert to fraction form
    440,377.22/607,721.74 = 259,095.98/x
  3. Step 3: Cross multiply
    440,377.22x = 607,721.74 × 259,095.98
  4. Step 4: Simplify right side
    440,377.22x = 157,458,259,792.61
  5. Step 5: Solve for x
    x = 157,458,259,792.61/440,377.22
  6. Step 6: Final answer
    x = 357,553.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.