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Finding the Fourth Proportional to 592,970.76, 818,306.22 and 321,044.56

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Solution

The fourth proportional to 592,970.76, 818,306.22 and 321,044.56 is: 443,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,970.76 : 818,306.22 = 321,044.56 : x
  2. Step 2: Convert to fraction form
    592,970.76/818,306.22 = 321,044.56/x
  3. Step 3: Cross multiply
    592,970.76x = 818,306.22 × 321,044.56
  4. Step 4: Simplify right side
    592,970.76x = 262,712,760,345.16
  5. Step 5: Solve for x
    x = 262,712,760,345.16/592,970.76
  6. Step 6: Final answer
    x = 443,045.05

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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.