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Finding the Fourth Proportional to 352,127.80, 528,191.70 and 174,662.20

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Solution

The fourth proportional to 352,127.80, 528,191.70 and 174,662.20 is: 261,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,127.80 : 528,191.70 = 174,662.20 : x
  2. Step 2: Convert to fraction form
    352,127.80/528,191.70 = 174,662.20/x
  3. Step 3: Cross multiply
    352,127.80x = 528,191.70 × 174,662.20
  4. Step 4: Simplify right side
    352,127.80x = 92,255,124,343.74
  5. Step 5: Solve for x
    x = 92,255,124,343.74/352,127.80
  6. Step 6: Final answer
    x = 261,993.30

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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.