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Finding the Fourth Proportional to 592,873.29, 818,560.22 and 399,568.50

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Solution

The fourth proportional to 592,873.29, 818,560.22 and 399,568.50 is: 551,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,873.29 : 818,560.22 = 399,568.50 : x
  2. Step 2: Convert to fraction form
    592,873.29/818,560.22 = 399,568.50/x
  3. Step 3: Cross multiply
    592,873.29x = 818,560.22 × 399,568.50
  4. Step 4: Simplify right side
    592,873.29x = 327,070,877,267.23
  5. Step 5: Solve for x
    x = 327,070,877,267.23/592,873.29
  6. Step 6: Final answer
    x = 551,670.79

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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.