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Finding the Fourth Proportional to 574,330.52, 792,576.14 and 319,676.24

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Solution

The fourth proportional to 574,330.52, 792,576.14 and 319,676.24 is: 441,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,330.52 : 792,576.14 = 319,676.24 : x
  2. Step 2: Convert to fraction form
    574,330.52/792,576.14 = 319,676.24/x
  3. Step 3: Cross multiply
    574,330.52x = 792,576.14 × 319,676.24
  4. Step 4: Simplify right side
    574,330.52x = 253,367,760,348.91
  5. Step 5: Solve for x
    x = 253,367,760,348.91/574,330.52
  6. Step 6: Final answer
    x = 441,153.22

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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.