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Finding the Fourth Proportional to 551,089.70, 826,634.55 and 362,132.90

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Solution

The fourth proportional to 551,089.70, 826,634.55 and 362,132.90 is: 543,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,089.70 : 826,634.55 = 362,132.90 : x
  2. Step 2: Convert to fraction form
    551,089.70/826,634.55 = 362,132.90/x
  3. Step 3: Cross multiply
    551,089.70x = 826,634.55 × 362,132.90
  4. Step 4: Simplify right side
    551,089.70x = 299,351,566,831.70
  5. Step 5: Solve for x
    x = 299,351,566,831.70/551,089.70
  6. Step 6: Final answer
    x = 543,199.35

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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.