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Finding the Fourth Proportional to 401,074.20, 601,423.38 and 232,642.80

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Solution

The fourth proportional to 401,074.20, 601,423.38 and 232,642.80 is: 348,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,074.20 : 601,423.38 = 232,642.80 : x
  2. Step 2: Convert to fraction form
    401,074.20/601,423.38 = 232,642.80/x
  3. Step 3: Cross multiply
    401,074.20x = 601,423.38 × 232,642.80
  4. Step 4: Simplify right side
    401,074.20x = 139,916,819,108.66
  5. Step 5: Solve for x
    x = 139,916,819,108.66/401,074.20
  6. Step 6: Final answer
    x = 348,855.20

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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.