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Finding the Fourth Proportional to 416,603.52, 624,640.41 and 353,445.39

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Solution

The fourth proportional to 416,603.52, 624,640.41 and 353,445.39 is: 529,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,603.52 : 624,640.41 = 353,445.39 : x
  2. Step 2: Convert to fraction form
    416,603.52/624,640.41 = 353,445.39/x
  3. Step 3: Cross multiply
    416,603.52x = 624,640.41 × 353,445.39
  4. Step 4: Simplify right side
    416,603.52x = 220,776,273,322.21
  5. Step 5: Solve for x
    x = 220,776,273,322.21/416,603.52
  6. Step 6: Final answer
    x = 529,943.37

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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.