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Finding the Fourth Proportional to 503,013.84, 754,640.64 and 148,039.44

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Solution

The fourth proportional to 503,013.84, 754,640.64 and 148,039.44 is: 222,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,013.84 : 754,640.64 = 148,039.44 : x
  2. Step 2: Convert to fraction form
    503,013.84/754,640.64 = 148,039.44/x
  3. Step 3: Cross multiply
    503,013.84x = 754,640.64 × 148,039.44
  4. Step 4: Simplify right side
    503,013.84x = 111,716,577,746.84
  5. Step 5: Solve for x
    x = 111,716,577,746.84/503,013.84
  6. Step 6: Final answer
    x = 222,094.44

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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.