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Finding the Fourth Proportional to 624,604, 936,931.92 and 181,372

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Solution

The fourth proportional to 624,604, 936,931.92 and 181,372 is: 272,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,604 : 936,931.92 = 181,372 : x
  2. Step 2: Convert to fraction form
    624,604/936,931.92 = 181,372/x
  3. Step 3: Cross multiply
    624,604x = 936,931.92 × 181,372
  4. Step 4: Simplify right side
    624,604x = 169,933,216,194.24
  5. Step 5: Solve for x
    x = 169,933,216,194.24/624,604
  6. Step 6: Final answer
    x = 272,065.53

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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.