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Finding the Fourth Proportional to 617,029.60, 925,544.40 and 285,253.60

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Solution

The fourth proportional to 617,029.60, 925,544.40 and 285,253.60 is: 427,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,029.60 : 925,544.40 = 285,253.60 : x
  2. Step 2: Convert to fraction form
    617,029.60/925,544.40 = 285,253.60/x
  3. Step 3: Cross multiply
    617,029.60x = 925,544.40 × 285,253.60
  4. Step 4: Simplify right side
    617,029.60x = 264,014,872,059.84
  5. Step 5: Solve for x
    x = 264,014,872,059.84/617,029.60
  6. Step 6: Final answer
    x = 427,880.40

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Similar ratio
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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.