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Finding the Fourth Proportional to 339,369.39, 468,316.93 and 188,476.11

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Solution

The fourth proportional to 339,369.39, 468,316.93 and 188,476.11 is: 260,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,369.39 : 468,316.93 = 188,476.11 : x
  2. Step 2: Convert to fraction form
    339,369.39/468,316.93 = 188,476.11/x
  3. Step 3: Cross multiply
    339,369.39x = 468,316.93 × 188,476.11
  4. Step 4: Simplify right side
    339,369.39x = 88,266,554,619.93
  5. Step 5: Solve for x
    x = 88,266,554,619.93/339,369.39
  6. Step 6: Final answer
    x = 260,089.91

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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.