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Finding the Fourth Proportional to 323,733.40, 485,740.20 and 173,798.76

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Solution

The fourth proportional to 323,733.40, 485,740.20 and 173,798.76 is: 260,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,733.40 : 485,740.20 = 173,798.76 : x
  2. Step 2: Convert to fraction form
    323,733.40/485,740.20 = 173,798.76/x
  3. Step 3: Cross multiply
    323,733.40x = 485,740.20 × 173,798.76
  4. Step 4: Simplify right side
    323,733.40x = 84,421,044,442.15
  5. Step 5: Solve for x
    x = 84,421,044,442.15/323,733.40
  6. Step 6: Final answer
    x = 260,773.35

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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.