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Finding the Fourth Proportional to 574,291.01, 792,547.84 and 319,658.60

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Solution

The fourth proportional to 574,291.01, 792,547.84 and 319,658.60 is: 441,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,291.01 : 792,547.84 = 319,658.60 : x
  2. Step 2: Convert to fraction form
    574,291.01/792,547.84 = 319,658.60/x
  3. Step 3: Cross multiply
    574,291.01x = 792,547.84 × 319,658.60
  4. Step 4: Simplify right side
    574,291.01x = 253,344,735,348.37
  5. Step 5: Solve for x
    x = 253,344,735,348.37/574,291.01
  6. Step 6: Final answer
    x = 441,143.48

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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.