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Finding the Fourth Proportional to 403,074.60, 604,466.10 and 163,087.80

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Solution

The fourth proportional to 403,074.60, 604,466.10 and 163,087.80 is: 244,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,074.60 : 604,466.10 = 163,087.80 : x
  2. Step 2: Convert to fraction form
    403,074.60/604,466.10 = 163,087.80/x
  3. Step 3: Cross multiply
    403,074.60x = 604,466.10 × 163,087.80
  4. Step 4: Simplify right side
    403,074.60x = 98,581,046,423.58
  5. Step 5: Solve for x
    x = 98,581,046,423.58/403,074.60
  6. Step 6: Final answer
    x = 244,572.71

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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.