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Finding the Fourth Proportional to 551,865.90, 826,632.45 and 551,865.90

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Solution

The fourth proportional to 551,865.90, 826,632.45 and 551,865.90 is: 826,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,865.90 : 826,632.45 = 551,865.90 : x
  2. Step 2: Convert to fraction form
    551,865.90/826,632.45 = 551,865.90/x
  3. Step 3: Cross multiply
    551,865.90x = 826,632.45 × 551,865.90
  4. Step 4: Simplify right side
    551,865.90x = 456,190,260,988.46
  5. Step 5: Solve for x
    x = 456,190,260,988.46/551,865.90
  6. Step 6: Final answer
    x = 826,632.45

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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.