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Finding the Fourth Proportional to 624,784.47, 937,176.71 and 151,469.82

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Solution

The fourth proportional to 624,784.47, 937,176.71 and 151,469.82 is: 227,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,784.47 : 937,176.71 = 151,469.82 : x
  2. Step 2: Convert to fraction form
    624,784.47/937,176.71 = 151,469.82/x
  3. Step 3: Cross multiply
    624,784.47x = 937,176.71 × 151,469.82
  4. Step 4: Simplify right side
    624,784.47x = 141,953,986,814.54
  5. Step 5: Solve for x
    x = 141,953,986,814.54/624,784.47
  6. Step 6: Final answer
    x = 227,204.73

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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.