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Finding the Fourth Proportional to 333,522.56, 460,332.36 and 212,636

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Solution

The fourth proportional to 333,522.56, 460,332.36 and 212,636 is: 293,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,522.56 : 460,332.36 = 212,636 : x
  2. Step 2: Convert to fraction form
    333,522.56/460,332.36 = 212,636/x
  3. Step 3: Cross multiply
    333,522.56x = 460,332.36 × 212,636
  4. Step 4: Simplify right side
    333,522.56x = 97,883,231,700.96
  5. Step 5: Solve for x
    x = 97,883,231,700.96/333,522.56
  6. Step 6: Final answer
    x = 293,483.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.