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Finding the Fourth Proportional to 418,795.59, 626,608.14 and 248,108.95

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Solution

The fourth proportional to 418,795.59, 626,608.14 and 248,108.95 is: 371,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,795.59 : 626,608.14 = 248,108.95 : x
  2. Step 2: Convert to fraction form
    418,795.59/626,608.14 = 248,108.95/x
  3. Step 3: Cross multiply
    418,795.59x = 626,608.14 × 248,108.95
  4. Step 4: Simplify right side
    418,795.59x = 155,467,084,543.81
  5. Step 5: Solve for x
    x = 155,467,084,543.81/418,795.59
  6. Step 6: Final answer
    x = 371,224.27

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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.