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Finding the Fourth Proportional to 483,984.90, 726,123.15 and 344,016.90

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Solution

The fourth proportional to 483,984.90, 726,123.15 and 344,016.90 is: 516,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,984.90 : 726,123.15 = 344,016.90 : x
  2. Step 2: Convert to fraction form
    483,984.90/726,123.15 = 344,016.90/x
  3. Step 3: Cross multiply
    483,984.90x = 726,123.15 × 344,016.90
  4. Step 4: Simplify right side
    483,984.90x = 249,798,635,081.24
  5. Step 5: Solve for x
    x = 249,798,635,081.24/483,984.90
  6. Step 6: Final answer
    x = 516,128.98

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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.