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Finding the Fourth Proportional to 551,324.68, 826,487.64 and 382,924.52

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Solution

The fourth proportional to 551,324.68, 826,487.64 and 382,924.52 is: 574,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,324.68 : 826,487.64 = 382,924.52 : x
  2. Step 2: Convert to fraction form
    551,324.68/826,487.64 = 382,924.52/x
  3. Step 3: Cross multiply
    551,324.68x = 826,487.64 × 382,924.52
  4. Step 4: Simplify right side
    551,324.68x = 316,482,382,832.93
  5. Step 5: Solve for x
    x = 316,482,382,832.93/551,324.68
  6. Step 6: Final answer
    x = 574,039.93

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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.