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Finding the Fourth Proportional to 483,509.30, 725,263.82 and 151,085.30

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Solution

The fourth proportional to 483,509.30, 725,263.82 and 151,085.30 is: 226,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,509.30 : 725,263.82 = 151,085.30 : x
  2. Step 2: Convert to fraction form
    483,509.30/725,263.82 = 151,085.30/x
  3. Step 3: Cross multiply
    483,509.30x = 725,263.82 × 151,085.30
  4. Step 4: Simplify right side
    483,509.30x = 109,576,701,068.42
  5. Step 5: Solve for x
    x = 109,576,701,068.42/483,509.30
  6. Step 6: Final answer
    x = 226,627.91

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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.