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Finding the Fourth Proportional to 615,682.80, 923,616.54 and 216,253.17

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Solution

The fourth proportional to 615,682.80, 923,616.54 and 216,253.17 is: 324,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,682.80 : 923,616.54 = 216,253.17 : x
  2. Step 2: Convert to fraction form
    615,682.80/923,616.54 = 216,253.17/x
  3. Step 3: Cross multiply
    615,682.80x = 923,616.54 × 216,253.17
  4. Step 4: Simplify right side
    615,682.80x = 199,735,004,639.43
  5. Step 5: Solve for x
    x = 199,735,004,639.43/615,682.80
  6. Step 6: Final answer
    x = 324,412.19

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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.