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Finding the Fourth Proportional to 233,415.45, 349,631.10 and 233,415.45

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Solution

The fourth proportional to 233,415.45, 349,631.10 and 233,415.45 is: 349,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,415.45 : 349,631.10 = 233,415.45 : x
  2. Step 2: Convert to fraction form
    233,415.45/349,631.10 = 233,415.45/x
  3. Step 3: Cross multiply
    233,415.45x = 349,631.10 × 233,415.45
  4. Step 4: Simplify right side
    233,415.45x = 81,609,300,540.50
  5. Step 5: Solve for x
    x = 81,609,300,540.50/233,415.45
  6. Step 6: Final answer
    x = 349,631.10

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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.