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Finding the Fourth Proportional to 484,005.70, 726,008.55 and 465,634.90

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Solution

The fourth proportional to 484,005.70, 726,008.55 and 465,634.90 is: 698,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,005.70 : 726,008.55 = 465,634.90 : x
  2. Step 2: Convert to fraction form
    484,005.70/726,008.55 = 465,634.90/x
  3. Step 3: Cross multiply
    484,005.70x = 726,008.55 × 465,634.90
  4. Step 4: Simplify right side
    484,005.70x = 338,054,918,578.40
  5. Step 5: Solve for x
    x = 338,054,918,578.40/484,005.70
  6. Step 6: Final answer
    x = 698,452.35

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Similar ratio
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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.