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Finding the Fourth Proportional to 408,223.44, 563,152.08 and 265,028.40

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Solution

The fourth proportional to 408,223.44, 563,152.08 and 265,028.40 is: 365,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,223.44 : 563,152.08 = 265,028.40 : x
  2. Step 2: Convert to fraction form
    408,223.44/563,152.08 = 265,028.40/x
  3. Step 3: Cross multiply
    408,223.44x = 563,152.08 × 265,028.40
  4. Step 4: Simplify right side
    408,223.44x = 149,251,294,719.07
  5. Step 5: Solve for x
    x = 149,251,294,719.07/408,223.44
  6. Step 6: Final answer
    x = 365,611.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.