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Finding the Fourth Proportional to 554,576.24, 765,315.72 and 299,927.42

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Solution

The fourth proportional to 554,576.24, 765,315.72 and 299,927.42 is: 413,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,576.24 : 765,315.72 = 299,927.42 : x
  2. Step 2: Convert to fraction form
    554,576.24/765,315.72 = 299,927.42/x
  3. Step 3: Cross multiply
    554,576.24x = 765,315.72 × 299,927.42
  4. Step 4: Simplify right side
    554,576.24x = 229,539,171,889.75
  5. Step 5: Solve for x
    x = 229,539,171,889.75/554,576.24
  6. Step 6: Final answer
    x = 413,900.12

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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.