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Finding the Fourth Proportional to 592,882.64, 818,173.20 and 320,945

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Solution

The fourth proportional to 592,882.64, 818,173.20 and 320,945 is: 442,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,882.64 : 818,173.20 = 320,945 : x
  2. Step 2: Convert to fraction form
    592,882.64/818,173.20 = 320,945/x
  3. Step 3: Cross multiply
    592,882.64x = 818,173.20 × 320,945
  4. Step 4: Simplify right side
    592,882.64x = 262,588,597,674
  5. Step 5: Solve for x
    x = 262,588,597,674/592,882.64
  6. Step 6: Final answer
    x = 442,901.48

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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.