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Finding the Fourth Proportional to 424,582.55, 636,873.83 and 424,582.55

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Solution

The fourth proportional to 424,582.55, 636,873.83 and 424,582.55 is: 636,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,582.55 : 636,873.83 = 424,582.55 : x
  2. Step 2: Convert to fraction form
    424,582.55/636,873.83 = 424,582.55/x
  3. Step 3: Cross multiply
    424,582.55x = 636,873.83 × 424,582.55
  4. Step 4: Simplify right side
    424,582.55x = 270,405,512,646.75
  5. Step 5: Solve for x
    x = 270,405,512,646.75/424,582.55
  6. Step 6: Final answer
    x = 636,873.83

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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.