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Finding the Fourth Proportional to 353,753.55, 530,212.37 and 349,807.23

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Solution

The fourth proportional to 353,753.55, 530,212.37 and 349,807.23 is: 524,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,753.55 : 530,212.37 = 349,807.23 : x
  2. Step 2: Convert to fraction form
    353,753.55/530,212.37 = 349,807.23/x
  3. Step 3: Cross multiply
    353,753.55x = 530,212.37 × 349,807.23
  4. Step 4: Simplify right side
    353,753.55x = 185,472,118,712.40
  5. Step 5: Solve for x
    x = 185,472,118,712.40/353,753.55
  6. Step 6: Final answer
    x = 524,297.55

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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.