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Finding the Fourth Proportional to 576,021.57, 794,908.42 and 334,445.55

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Solution

The fourth proportional to 576,021.57, 794,908.42 and 334,445.55 is: 461,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,021.57 : 794,908.42 = 334,445.55 : x
  2. Step 2: Convert to fraction form
    576,021.57/794,908.42 = 334,445.55/x
  3. Step 3: Cross multiply
    576,021.57x = 794,908.42 × 334,445.55
  4. Step 4: Simplify right side
    576,021.57x = 265,853,583,726.53
  5. Step 5: Solve for x
    x = 265,853,583,726.53/576,021.57
  6. Step 6: Final answer
    x = 461,534.08

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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.