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Finding the Fourth Proportional to 452,464.31, 624,439.25 and 256,265.69

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Solution

The fourth proportional to 452,464.31, 624,439.25 and 256,265.69 is: 353,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,464.31 : 624,439.25 = 256,265.69 : x
  2. Step 2: Convert to fraction form
    452,464.31/624,439.25 = 256,265.69/x
  3. Step 3: Cross multiply
    452,464.31x = 624,439.25 × 256,265.69
  4. Step 4: Simplify right side
    452,464.31x = 160,022,355,548.69
  5. Step 5: Solve for x
    x = 160,022,355,548.69/452,464.31
  6. Step 6: Final answer
    x = 353,668.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.