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Finding the Fourth Proportional to 636,324.04, 954,283.21 and 209,780.37

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Solution

The fourth proportional to 636,324.04, 954,283.21 and 209,780.37 is: 314,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,324.04 : 954,283.21 = 209,780.37 : x
  2. Step 2: Convert to fraction form
    636,324.04/954,283.21 = 209,780.37/x
  3. Step 3: Cross multiply
    636,324.04x = 954,283.21 × 209,780.37
  4. Step 4: Simplify right side
    636,324.04x = 200,189,884,878.59
  5. Step 5: Solve for x
    x = 200,189,884,878.59/636,324.04
  6. Step 6: Final answer
    x = 314,603.68

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1.5x scale

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.