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Finding the Fourth Proportional to 497,374.41, 745,618.45 and 230,989.71

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Solution

The fourth proportional to 497,374.41, 745,618.45 and 230,989.71 is: 346,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,374.41 : 745,618.45 = 230,989.71 : x
  2. Step 2: Convert to fraction form
    497,374.41/745,618.45 = 230,989.71/x
  3. Step 3: Cross multiply
    497,374.41x = 745,618.45 × 230,989.71
  4. Step 4: Simplify right side
    497,374.41x = 172,230,189,536.15
  5. Step 5: Solve for x
    x = 172,230,189,536.15/497,374.41
  6. Step 6: Final answer
    x = 346,278.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.