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Finding the Fourth Proportional to 484,493.40, 726,869.70 and 344,525.40

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Solution

The fourth proportional to 484,493.40, 726,869.70 and 344,525.40 is: 516,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,493.40 : 726,869.70 = 344,525.40 : x
  2. Step 2: Convert to fraction form
    484,493.40/726,869.70 = 344,525.40/x
  3. Step 3: Cross multiply
    484,493.40x = 726,869.70 × 344,525.40
  4. Step 4: Simplify right side
    484,493.40x = 250,425,074,140.38
  5. Step 5: Solve for x
    x = 250,425,074,140.38/484,493.40
  6. Step 6: Final answer
    x = 516,880.26

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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.