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Finding the Fourth Proportional to 357,022.50, 535,271.22 and 170,165.22

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Solution

The fourth proportional to 357,022.50, 535,271.22 and 170,165.22 is: 255,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,022.50 : 535,271.22 = 170,165.22 : x
  2. Step 2: Convert to fraction form
    357,022.50/535,271.22 = 170,165.22/x
  3. Step 3: Cross multiply
    357,022.50x = 535,271.22 × 170,165.22
  4. Step 4: Simplify right side
    357,022.50x = 91,084,544,910.97
  5. Step 5: Solve for x
    x = 91,084,544,910.97/357,022.50
  6. Step 6: Final answer
    x = 255,122.70

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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.