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Finding the Fourth Proportional to 403,675.75, 557,072.55 and 224,827.75

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Solution

The fourth proportional to 403,675.75, 557,072.55 and 224,827.75 is: 310,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,675.75 : 557,072.55 = 224,827.75 : x
  2. Step 2: Convert to fraction form
    403,675.75/557,072.55 = 224,827.75/x
  3. Step 3: Cross multiply
    403,675.75x = 557,072.55 × 224,827.75
  4. Step 4: Simplify right side
    403,675.75x = 125,245,368,003.26
  5. Step 5: Solve for x
    x = 125,245,368,003.26/403,675.75
  6. Step 6: Final answer
    x = 310,262.30

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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.