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Finding the Fourth Proportional to 483,672.02, 725,509.71 and 146,715.57

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Solution

The fourth proportional to 483,672.02, 725,509.71 and 146,715.57 is: 220,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,672.02 : 725,509.71 = 146,715.57 : x
  2. Step 2: Convert to fraction form
    483,672.02/725,509.71 = 146,715.57/x
  3. Step 3: Cross multiply
    483,672.02x = 725,509.71 × 146,715.57
  4. Step 4: Simplify right side
    483,672.02x = 106,443,570,643.19
  5. Step 5: Solve for x
    x = 106,443,570,643.19/483,672.02
  6. Step 6: Final answer
    x = 220,073.87

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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.