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Finding the Fourth Proportional to 453,022.90, 624,516.80 and 299,804.41

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Solution

The fourth proportional to 453,022.90, 624,516.80 and 299,804.41 is: 413,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022.90 : 624,516.80 = 299,804.41 : x
  2. Step 2: Convert to fraction form
    453,022.90/624,516.80 = 299,804.41/x
  3. Step 3: Cross multiply
    453,022.90x = 624,516.80 × 299,804.41
  4. Step 4: Simplify right side
    453,022.90x = 187,232,890,759.09
  5. Step 5: Solve for x
    x = 187,232,890,759.09/453,022.90
  6. Step 6: Final answer
    x = 413,296.75

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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.