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Finding the Fourth Proportional to 403,036, 556,192.92 and 224,188

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Solution

The fourth proportional to 403,036, 556,192.92 and 224,188 is: 309,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,036 : 556,192.92 = 224,188 : x
  2. Step 2: Convert to fraction form
    403,036/556,192.92 = 224,188/x
  3. Step 3: Cross multiply
    403,036x = 556,192.92 × 224,188
  4. Step 4: Simplify right side
    403,036x = 124,691,778,348.96
  5. Step 5: Solve for x
    x = 124,691,778,348.96/403,036
  6. Step 6: Final answer
    x = 309,381.24

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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.