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Finding the Fourth Proportional to 524,130.16, 786,236.28 and 187,243.60

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Solution

The fourth proportional to 524,130.16, 786,236.28 and 187,243.60 is: 280,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,130.16 : 786,236.28 = 187,243.60 : x
  2. Step 2: Convert to fraction form
    524,130.16/786,236.28 = 187,243.60/x
  3. Step 3: Cross multiply
    524,130.16x = 786,236.28 × 187,243.60
  4. Step 4: Simplify right side
    524,130.16x = 147,217,711,517.81
  5. Step 5: Solve for x
    x = 147,217,711,517.81/524,130.16
  6. Step 6: Final answer
    x = 280,880.06

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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.