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Finding the Fourth Proportional to 583,301.30, 804,267.23 and 399,627.95

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Solution

The fourth proportional to 583,301.30, 804,267.23 and 399,627.95 is: 551,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,301.30 : 804,267.23 = 399,627.95 : x
  2. Step 2: Convert to fraction form
    583,301.30/804,267.23 = 399,627.95/x
  3. Step 3: Cross multiply
    583,301.30x = 804,267.23 × 399,627.95
  4. Step 4: Simplify right side
    583,301.30x = 321,407,658,357.60
  5. Step 5: Solve for x
    x = 321,407,658,357.60/583,301.30
  6. Step 6: Final answer
    x = 551,014.82

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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.