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Finding the Fourth Proportional to 339,572.66, 468,613.05 and 212,322.02

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Solution

The fourth proportional to 339,572.66, 468,613.05 and 212,322.02 is: 293,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,572.66 : 468,613.05 = 212,322.02 : x
  2. Step 2: Convert to fraction form
    339,572.66/468,613.05 = 212,322.02/x
  3. Step 3: Cross multiply
    339,572.66x = 468,613.05 × 212,322.02
  4. Step 4: Simplify right side
    339,572.66x = 99,496,869,374.36
  5. Step 5: Solve for x
    x = 99,496,869,374.36/339,572.66
  6. Step 6: Final answer
    x = 293,006.13

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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.