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Finding the Fourth Proportional to 366,955.10, 550,432.65 and 117,662.30

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Solution

The fourth proportional to 366,955.10, 550,432.65 and 117,662.30 is: 176,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.10 : 550,432.65 = 117,662.30 : x
  2. Step 2: Convert to fraction form
    366,955.10/550,432.65 = 117,662.30/x
  3. Step 3: Cross multiply
    366,955.10x = 550,432.65 × 117,662.30
  4. Step 4: Simplify right side
    366,955.10x = 64,765,171,594.10
  5. Step 5: Solve for x
    x = 64,765,171,594.10/366,955.10
  6. Step 6: Final answer
    x = 176,493.45

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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.