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Finding the Fourth Proportional to 416,422.32, 624,371.04 and 353,264.60

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Solution

The fourth proportional to 416,422.32, 624,371.04 and 353,264.60 is: 529,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,422.32 : 624,371.04 = 353,264.60 : x
  2. Step 2: Convert to fraction form
    416,422.32/624,371.04 = 353,264.60/x
  3. Step 3: Cross multiply
    416,422.32x = 624,371.04 × 353,264.60
  4. Step 4: Simplify right side
    416,422.32x = 220,568,182,575.33
  5. Step 5: Solve for x
    x = 220,568,182,575.33/416,422.32
  6. Step 6: Final answer
    x = 529,674.26

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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.