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Finding the Fourth Proportional to 503,631.81, 755,529.73 and 148,681.71

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Solution

The fourth proportional to 503,631.81, 755,529.73 and 148,681.71 is: 223,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,631.81 : 755,529.73 = 148,681.71 : x
  2. Step 2: Convert to fraction form
    503,631.81/755,529.73 = 148,681.71/x
  3. Step 3: Cross multiply
    503,631.81x = 755,529.73 × 148,681.71
  4. Step 4: Simplify right side
    503,631.81x = 112,333,452,212.24
  5. Step 5: Solve for x
    x = 112,333,452,212.24/503,631.81
  6. Step 6: Final answer
    x = 223,046.78

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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.