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Finding the Fourth Proportional to 624,165.60, 933,915.60 and 414,213.60

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Solution

The fourth proportional to 624,165.60, 933,915.60 and 414,213.60 is: 619,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,165.60 : 933,915.60 = 414,213.60 : x
  2. Step 2: Convert to fraction form
    624,165.60/933,915.60 = 414,213.60/x
  3. Step 3: Cross multiply
    624,165.60x = 933,915.60 × 414,213.60
  4. Step 4: Simplify right side
    624,165.60x = 386,840,542,772.16
  5. Step 5: Solve for x
    x = 386,840,542,772.16/624,165.60
  6. Step 6: Final answer
    x = 619,772.29

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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.