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Finding the Fourth Proportional to 349,340.70, 523,233.45 and 302,684.70

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Solution

The fourth proportional to 349,340.70, 523,233.45 and 302,684.70 is: 453,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,340.70 : 523,233.45 = 302,684.70 : x
  2. Step 2: Convert to fraction form
    349,340.70/523,233.45 = 302,684.70/x
  3. Step 3: Cross multiply
    349,340.70x = 523,233.45 × 302,684.70
  4. Step 4: Simplify right side
    349,340.70x = 158,374,759,843.22
  5. Step 5: Solve for x
    x = 158,374,759,843.22/349,340.70
  6. Step 6: Final answer
    x = 453,353.30

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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.