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Finding the Fourth Proportional to 403,098.97, 556,506.02 and 267,316.22

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Solution

The fourth proportional to 403,098.97, 556,506.02 and 267,316.22 is: 369,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,098.97 : 556,506.02 = 267,316.22 : x
  2. Step 2: Convert to fraction form
    403,098.97/556,506.02 = 267,316.22/x
  3. Step 3: Cross multiply
    403,098.97x = 556,506.02 × 267,316.22
  4. Step 4: Simplify right side
    403,098.97x = 148,763,086,423.96
  5. Step 5: Solve for x
    x = 148,763,086,423.96/403,098.97
  6. Step 6: Final answer
    x = 369,048.54

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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.