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Finding the Fourth Proportional to 592,950.68, 818,272.28 and 321,018.64

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Solution

The fourth proportional to 592,950.68, 818,272.28 and 321,018.64 is: 443,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,950.68 : 818,272.28 = 321,018.64 : x
  2. Step 2: Convert to fraction form
    592,950.68/818,272.28 = 321,018.64/x
  3. Step 3: Cross multiply
    592,950.68x = 818,272.28 × 321,018.64
  4. Step 4: Simplify right side
    592,950.68x = 262,680,656,029.22
  5. Step 5: Solve for x
    x = 262,680,656,029.22/592,950.68
  6. Step 6: Final answer
    x = 443,005.91

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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.