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Finding the Fourth Proportional to 592,978.30, 818,316.46 and 321,051.84

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Solution

The fourth proportional to 592,978.30, 818,316.46 and 321,051.84 is: 443,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,978.30 : 818,316.46 = 321,051.84 : x
  2. Step 2: Convert to fraction form
    592,978.30/818,316.46 = 321,051.84/x
  3. Step 3: Cross multiply
    592,978.30x = 818,316.46 × 321,051.84
  4. Step 4: Simplify right side
    592,978.30x = 262,722,005,185.29
  5. Step 5: Solve for x
    x = 262,722,005,185.29/592,978.30
  6. Step 6: Final answer
    x = 443,055.01

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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.