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Finding the Fourth Proportional to 361,519.40, 542,279.10 and 174,895.40

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Solution

The fourth proportional to 361,519.40, 542,279.10 and 174,895.40 is: 262,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,519.40 : 542,279.10 = 174,895.40 : x
  2. Step 2: Convert to fraction form
    361,519.40/542,279.10 = 174,895.40/x
  3. Step 3: Cross multiply
    361,519.40x = 542,279.10 × 174,895.40
  4. Step 4: Simplify right side
    361,519.40x = 94,842,120,106.14
  5. Step 5: Solve for x
    x = 94,842,120,106.14/361,519.40
  6. Step 6: Final answer
    x = 262,343.10

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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.