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Finding the Fourth Proportional to 592,969.01, 818,296.05 and 321,036.85

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Solution

The fourth proportional to 592,969.01, 818,296.05 and 321,036.85 is: 443,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,969.01 : 818,296.05 = 321,036.85 : x
  2. Step 2: Convert to fraction form
    592,969.01/818,296.05 = 321,036.85/x
  3. Step 3: Cross multiply
    592,969.01x = 818,296.05 × 321,036.85
  4. Step 4: Simplify right side
    592,969.01x = 262,703,188,486.20
  5. Step 5: Solve for x
    x = 262,703,188,486.20/592,969.01
  6. Step 6: Final answer
    x = 443,030.22

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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.