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Finding the Fourth Proportional to 592,897.95, 818,198.99 and 320,965.64

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Solution

The fourth proportional to 592,897.95, 818,198.99 and 320,965.64 is: 442,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,897.95 : 818,198.99 = 320,965.64 : x
  2. Step 2: Convert to fraction form
    592,897.95/818,198.99 = 320,965.64/x
  3. Step 3: Cross multiply
    592,897.95x = 818,198.99 × 320,965.64
  4. Step 4: Simplify right side
    592,897.95x = 262,613,762,472.70
  5. Step 5: Solve for x
    x = 262,613,762,472.70/592,897.95
  6. Step 6: Final answer
    x = 442,932.49

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1.5x scale

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.