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Finding the Fourth Proportional to 592,897.91, 818,198.95 and 320,965.61

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Solution

The fourth proportional to 592,897.91, 818,198.95 and 320,965.61 is: 442,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,897.91 : 818,198.95 = 320,965.61 : x
  2. Step 2: Convert to fraction form
    592,897.91/818,198.95 = 320,965.61/x
  3. Step 3: Cross multiply
    592,897.91x = 818,198.95 × 320,965.61
  4. Step 4: Simplify right side
    592,897.91x = 262,613,725,088.11
  5. Step 5: Solve for x
    x = 262,613,725,088.11/592,897.91
  6. Step 6: Final answer
    x = 442,932.45

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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.