Home / 352,003.20-528,004.80-293,942.40

Finding the Fourth Proportional to 352,003.20, 528,004.80 and 293,942.40

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Solution

The fourth proportional to 352,003.20, 528,004.80 and 293,942.40 is: 440,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.20 : 528,004.80 = 293,942.40 : x
  2. Step 2: Convert to fraction form
    352,003.20/528,004.80 = 293,942.40/x
  3. Step 3: Cross multiply
    352,003.20x = 528,004.80 × 293,942.40
  4. Step 4: Simplify right side
    352,003.20x = 155,202,998,123.52
  5. Step 5: Solve for x
    x = 155,202,998,123.52/352,003.20
  6. Step 6: Final answer
    x = 440,913.60

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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.