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Finding the Fourth Proportional to 503,007.84, 754,631.64 and 148,033.44

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Solution

The fourth proportional to 503,007.84, 754,631.64 and 148,033.44 is: 222,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,007.84 : 754,631.64 = 148,033.44 : x
  2. Step 2: Convert to fraction form
    503,007.84/754,631.64 = 148,033.44/x
  3. Step 3: Cross multiply
    503,007.84x = 754,631.64 × 148,033.44
  4. Step 4: Simplify right side
    503,007.84x = 111,710,717,602.04
  5. Step 5: Solve for x
    x = 111,710,717,602.04/503,007.84
  6. Step 6: Final answer
    x = 222,085.44

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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.