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Finding the Fourth Proportional to 339,435.21, 468,368.51 and 196,167.58

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Solution

The fourth proportional to 339,435.21, 468,368.51 and 196,167.58 is: 270,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,435.21 : 468,368.51 = 196,167.58 : x
  2. Step 2: Convert to fraction form
    339,435.21/468,368.51 = 196,167.58/x
  3. Step 3: Cross multiply
    339,435.21x = 468,368.51 × 196,167.58
  4. Step 4: Simplify right side
    339,435.21x = 91,878,717,154.91
  5. Step 5: Solve for x
    x = 91,878,717,154.91/339,435.21
  6. Step 6: Final answer
    x = 270,681.16

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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.