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Finding the Fourth Proportional to 615,744.90, 923,617.35 and 416,160.90

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Solution

The fourth proportional to 615,744.90, 923,617.35 and 416,160.90 is: 624,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,744.90 : 923,617.35 = 416,160.90 : x
  2. Step 2: Convert to fraction form
    615,744.90/923,617.35 = 416,160.90/x
  3. Step 3: Cross multiply
    615,744.90x = 923,617.35 × 416,160.90
  4. Step 4: Simplify right side
    615,744.90x = 384,373,427,631.62
  5. Step 5: Solve for x
    x = 384,373,427,631.62/615,744.90
  6. Step 6: Final answer
    x = 624,241.35

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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.