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Finding the Fourth Proportional to 354,369.60, 531,554.40 and 117,736.20

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Solution

The fourth proportional to 354,369.60, 531,554.40 and 117,736.20 is: 176,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,369.60 : 531,554.40 = 117,736.20 : x
  2. Step 2: Convert to fraction form
    354,369.60/531,554.40 = 117,736.20/x
  3. Step 3: Cross multiply
    354,369.60x = 531,554.40 × 117,736.20
  4. Step 4: Simplify right side
    354,369.60x = 62,583,195,149.28
  5. Step 5: Solve for x
    x = 62,583,195,149.28/354,369.60
  6. Step 6: Final answer
    x = 176,604.30

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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.