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Finding the Fourth Proportional to 424,575.52, 636,632.52 and 210,874.60

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Solution

The fourth proportional to 424,575.52, 636,632.52 and 210,874.60 is: 316,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,575.52 : 636,632.52 = 210,874.60 : x
  2. Step 2: Convert to fraction form
    424,575.52/636,632.52 = 210,874.60/x
  3. Step 3: Cross multiply
    424,575.52x = 636,632.52 × 210,874.60
  4. Step 4: Simplify right side
    424,575.52x = 134,249,628,001.99
  5. Step 5: Solve for x
    x = 134,249,628,001.99/424,575.52
  6. Step 6: Final answer
    x = 316,197.29

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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.