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Finding the Fourth Proportional to 339,573.47, 468,416.21 and 212,027.63

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Solution

The fourth proportional to 339,573.47, 468,416.21 and 212,027.63 is: 292,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,573.47 : 468,416.21 = 212,027.63 : x
  2. Step 2: Convert to fraction form
    339,573.47/468,416.21 = 212,027.63/x
  3. Step 3: Cross multiply
    339,573.47x = 468,416.21 × 212,027.63
  4. Step 4: Simplify right side
    339,573.47x = 99,317,175,457.66
  5. Step 5: Solve for x
    x = 99,317,175,457.66/339,573.47
  6. Step 6: Final answer
    x = 292,476.26

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1.5x scale

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.