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Finding the Fourth Proportional to 636,383.18, 954,345.14 and 186,983.84

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Solution

The fourth proportional to 636,383.18, 954,345.14 and 186,983.84 is: 280,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,383.18 : 954,345.14 = 186,983.84 : x
  2. Step 2: Convert to fraction form
    636,383.18/954,345.14 = 186,983.84/x
  3. Step 3: Cross multiply
    636,383.18x = 954,345.14 × 186,983.84
  4. Step 4: Simplify right side
    636,383.18x = 178,447,121,114.67
  5. Step 5: Solve for x
    x = 178,447,121,114.67/636,383.18
  6. Step 6: Final answer
    x = 280,408.29

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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.