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Finding the Fourth Proportional to 340,606.80, 510,910.20 and 163,022.40

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Solution

The fourth proportional to 340,606.80, 510,910.20 and 163,022.40 is: 244,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,606.80 : 510,910.20 = 163,022.40 : x
  2. Step 2: Convert to fraction form
    340,606.80/510,910.20 = 163,022.40/x
  3. Step 3: Cross multiply
    340,606.80x = 510,910.20 × 163,022.40
  4. Step 4: Simplify right side
    340,606.80x = 83,289,806,988.48
  5. Step 5: Solve for x
    x = 83,289,806,988.48/340,606.80
  6. Step 6: Final answer
    x = 244,533.60

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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.