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Finding the Fourth Proportional to 583,702.63, 805,474.94 and 338,668.42

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Solution

The fourth proportional to 583,702.63, 805,474.94 and 338,668.42 is: 467,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,702.63 : 805,474.94 = 338,668.42 : x
  2. Step 2: Convert to fraction form
    583,702.63/805,474.94 = 338,668.42/x
  3. Step 3: Cross multiply
    583,702.63x = 805,474.94 × 338,668.42
  4. Step 4: Simplify right side
    583,702.63x = 272,788,924,112.38
  5. Step 5: Solve for x
    x = 272,788,924,112.38/583,702.63
  6. Step 6: Final answer
    x = 467,342.29

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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.