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Finding the Fourth Proportional to 403,608.96, 556,854.60 and 229,150.62

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Solution

The fourth proportional to 403,608.96, 556,854.60 and 229,150.62 is: 316,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,608.96 : 556,854.60 = 229,150.62 : x
  2. Step 2: Convert to fraction form
    403,608.96/556,854.60 = 229,150.62/x
  3. Step 3: Cross multiply
    403,608.96x = 556,854.60 × 229,150.62
  4. Step 4: Simplify right side
    403,608.96x = 127,603,576,839.85
  5. Step 5: Solve for x
    x = 127,603,576,839.85/403,608.96
  6. Step 6: Final answer
    x = 316,156.45

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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.