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Finding the Fourth Proportional to 484,741.34, 726,029.22 and 351,315.30

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Solution

The fourth proportional to 484,741.34, 726,029.22 and 351,315.30 is: 526,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,741.34 : 726,029.22 = 351,315.30 : x
  2. Step 2: Convert to fraction form
    484,741.34/726,029.22 = 351,315.30/x
  3. Step 3: Cross multiply
    484,741.34x = 726,029.22 × 351,315.30
  4. Step 4: Simplify right side
    484,741.34x = 255,065,173,233.07
  5. Step 5: Solve for x
    x = 255,065,173,233.07/484,741.34
  6. Step 6: Final answer
    x = 526,188.20

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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.