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Finding the Fourth Proportional to 465,274.32, 697,911.72 and 149,731.20

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Solution

The fourth proportional to 465,274.32, 697,911.72 and 149,731.20 is: 224,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,274.32 : 697,911.72 = 149,731.20 : x
  2. Step 2: Convert to fraction form
    465,274.32/697,911.72 = 149,731.20/x
  3. Step 3: Cross multiply
    465,274.32x = 697,911.72 × 149,731.20
  4. Step 4: Simplify right side
    465,274.32x = 104,499,159,329.66
  5. Step 5: Solve for x
    x = 104,499,159,329.66/465,274.32
  6. Step 6: Final answer
    x = 224,596.88

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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.