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Finding the Fourth Proportional to 403,083.04, 556,255.12 and 224,235.04

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Solution

The fourth proportional to 403,083.04, 556,255.12 and 224,235.04 is: 309,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,083.04 : 556,255.12 = 224,235.04 : x
  2. Step 2: Convert to fraction form
    403,083.04/556,255.12 = 224,235.04/x
  3. Step 3: Cross multiply
    403,083.04x = 556,255.12 × 224,235.04
  4. Step 4: Simplify right side
    403,083.04x = 124,731,889,083.41
  5. Step 5: Solve for x
    x = 124,731,889,083.41/403,083.04
  6. Step 6: Final answer
    x = 309,444.65

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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.