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Finding the Fourth Proportional to 416,591.52, 624,622.40 and 353,433.40

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Solution

The fourth proportional to 416,591.52, 624,622.40 and 353,433.40 is: 529,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,591.52 : 624,622.40 = 353,433.40 : x
  2. Step 2: Convert to fraction form
    416,591.52/624,622.40 = 353,433.40/x
  3. Step 3: Cross multiply
    416,591.52x = 624,622.40 × 353,433.40
  4. Step 4: Simplify right side
    416,591.52x = 220,762,418,548.16
  5. Step 5: Solve for x
    x = 220,762,418,548.16/416,591.52
  6. Step 6: Final answer
    x = 529,925.38

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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.