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Finding the Fourth Proportional to 624,839.92, 937,271.52 and 225,510.64

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Solution

The fourth proportional to 624,839.92, 937,271.52 and 225,510.64 is: 338,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,839.92 : 937,271.52 = 225,510.64 : x
  2. Step 2: Convert to fraction form
    624,839.92/937,271.52 = 225,510.64/x
  3. Step 3: Cross multiply
    624,839.92x = 937,271.52 × 225,510.64
  4. Step 4: Simplify right side
    624,839.92x = 211,364,700,328.97
  5. Step 5: Solve for x
    x = 211,364,700,328.97/624,839.92
  6. Step 6: Final answer
    x = 338,270.16

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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.