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Finding the Fourth Proportional to 403,085.04, 556,257.88 and 224,237.04

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Solution

The fourth proportional to 403,085.04, 556,257.88 and 224,237.04 is: 309,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,085.04 : 556,257.88 = 224,237.04 : x
  2. Step 2: Convert to fraction form
    403,085.04/556,257.88 = 224,237.04/x
  3. Step 3: Cross multiply
    403,085.04x = 556,257.88 × 224,237.04
  4. Step 4: Simplify right side
    403,085.04x = 124,733,620,487.88
  5. Step 5: Solve for x
    x = 124,733,620,487.88/403,085.04
  6. Step 6: Final answer
    x = 309,447.41

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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.