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Finding the Fourth Proportional to 416,423.64, 624,884.31 and 382,544.28

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Solution

The fourth proportional to 416,423.64, 624,884.31 and 382,544.28 is: 574,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,423.64 : 624,884.31 = 382,544.28 : x
  2. Step 2: Convert to fraction form
    416,423.64/624,884.31 = 382,544.28/x
  3. Step 3: Cross multiply
    416,423.64x = 624,884.31 × 382,544.28
  4. Step 4: Simplify right side
    416,423.64x = 239,045,918,452.25
  5. Step 5: Solve for x
    x = 239,045,918,452.25/416,423.64
  6. Step 6: Final answer
    x = 574,045.02

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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.