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Finding the Fourth Proportional to 610,881.48, 916,109.46 and 250,949.88

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Solution

The fourth proportional to 610,881.48, 916,109.46 and 250,949.88 is: 376,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,881.48 : 916,109.46 = 250,949.88 : x
  2. Step 2: Convert to fraction form
    610,881.48/916,109.46 = 250,949.88/x
  3. Step 3: Cross multiply
    610,881.48x = 916,109.46 × 250,949.88
  4. Step 4: Simplify right side
    610,881.48x = 229,897,559,053.87
  5. Step 5: Solve for x
    x = 229,897,559,053.87/610,881.48
  6. Step 6: Final answer
    x = 376,337.42

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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.