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Finding the Fourth Proportional to 551,501.32, 827,951.98 and 468,920.20

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Solution

The fourth proportional to 551,501.32, 827,951.98 and 468,920.20 is: 703,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,501.32 : 827,951.98 = 468,920.20 : x
  2. Step 2: Convert to fraction form
    551,501.32/827,951.98 = 468,920.20/x
  3. Step 3: Cross multiply
    551,501.32x = 827,951.98 × 468,920.20
  4. Step 4: Simplify right side
    551,501.32x = 388,243,408,052.00
  5. Step 5: Solve for x
    x = 388,243,408,052.00/551,501.32
  6. Step 6: Final answer
    x = 703,975.48

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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.