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Finding the Fourth Proportional to 333,006.88, 459,699.32 and 212,310

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Solution

The fourth proportional to 333,006.88, 459,699.32 and 212,310 is: 293,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,006.88 : 459,699.32 = 212,310 : x
  2. Step 2: Convert to fraction form
    333,006.88/459,699.32 = 212,310/x
  3. Step 3: Cross multiply
    333,006.88x = 459,699.32 × 212,310
  4. Step 4: Simplify right side
    333,006.88x = 97,598,762,629.20
  5. Step 5: Solve for x
    x = 97,598,762,629.20/333,006.88
  6. Step 6: Final answer
    x = 293,083.32

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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.