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Finding the Fourth Proportional to 648,872.28, 973,231.74 and 199,592.28

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Solution

The fourth proportional to 648,872.28, 973,231.74 and 199,592.28 is: 299,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,872.28 : 973,231.74 = 199,592.28 : x
  2. Step 2: Convert to fraction form
    648,872.28/973,231.74 = 199,592.28/x
  3. Step 3: Cross multiply
    648,872.28x = 973,231.74 × 199,592.28
  4. Step 4: Simplify right side
    648,872.28x = 194,249,541,954.97
  5. Step 5: Solve for x
    x = 194,249,541,954.97/648,872.28
  6. Step 6: Final answer
    x = 299,364.83

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1.5x scale

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.