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Finding the Fourth Proportional to 339,325.62, 468,488.43 and 210,400.98

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Solution

The fourth proportional to 339,325.62, 468,488.43 and 210,400.98 is: 290,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,325.62 : 468,488.43 = 210,400.98 : x
  2. Step 2: Convert to fraction form
    339,325.62/468,488.43 = 210,400.98/x
  3. Step 3: Cross multiply
    339,325.62x = 468,488.43 × 210,400.98
  4. Step 4: Simplify right side
    339,325.62x = 98,570,424,790.66
  5. Step 5: Solve for x
    x = 98,570,424,790.66/339,325.62
  6. Step 6: Final answer
    x = 290,489.19

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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.