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Finding the Fourth Proportional to 551,324.66, 826,487.66 and 382,924.50

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Solution

The fourth proportional to 551,324.66, 826,487.66 and 382,924.50 is: 574,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,324.66 : 826,487.66 = 382,924.50 : x
  2. Step 2: Convert to fraction form
    551,324.66/826,487.66 = 382,924.50/x
  3. Step 3: Cross multiply
    551,324.66x = 826,487.66 × 382,924.50
  4. Step 4: Simplify right side
    551,324.66x = 316,482,373,961.67
  5. Step 5: Solve for x
    x = 316,482,373,961.67/551,324.66
  6. Step 6: Final answer
    x = 574,039.94

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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.