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Finding the Fourth Proportional to 592,963.08, 818,295.65 and 321,036.90

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Solution

The fourth proportional to 592,963.08, 818,295.65 and 321,036.90 is: 443,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,963.08 : 818,295.65 = 321,036.90 : x
  2. Step 2: Convert to fraction form
    592,963.08/818,295.65 = 321,036.90/x
  3. Step 3: Cross multiply
    592,963.08x = 818,295.65 × 321,036.90
  4. Step 4: Simplify right side
    592,963.08x = 262,703,098,759.49
  5. Step 5: Solve for x
    x = 262,703,098,759.49/592,963.08
  6. Step 6: Final answer
    x = 443,034.50

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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.