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Finding the Fourth Proportional to 592,896.60, 818,197.14 and 320,964.30

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Solution

The fourth proportional to 592,896.60, 818,197.14 and 320,964.30 is: 442,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,896.60 : 818,197.14 = 320,964.30 : x
  2. Step 2: Convert to fraction form
    592,896.60/818,197.14 = 320,964.30/x
  3. Step 3: Cross multiply
    592,896.60x = 818,197.14 × 320,964.30
  4. Step 4: Simplify right side
    592,896.60x = 262,612,072,302.10
  5. Step 5: Solve for x
    x = 262,612,072,302.10/592,896.60
  6. Step 6: Final answer
    x = 442,930.64

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Double scale
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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.