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Finding the Fourth Proportional to 224,393.39, 309,646.94 and 126,290.94

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Solution

The fourth proportional to 224,393.39, 309,646.94 and 126,290.94 is: 174,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,393.39 : 309,646.94 = 126,290.94 : x
  2. Step 2: Convert to fraction form
    224,393.39/309,646.94 = 126,290.94/x
  3. Step 3: Cross multiply
    224,393.39x = 309,646.94 × 126,290.94
  4. Step 4: Simplify right side
    224,393.39x = 39,105,602,489.27
  5. Step 5: Solve for x
    x = 39,105,602,489.27/224,393.39
  6. Step 6: Final answer
    x = 174,272.53

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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.