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Finding the Fourth Proportional to 585,504.48, 807,985.67 and 330,850.20

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Solution

The fourth proportional to 585,504.48, 807,985.67 and 330,850.20 is: 456,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,504.48 : 807,985.67 = 330,850.20 : x
  2. Step 2: Convert to fraction form
    585,504.48/807,985.67 = 330,850.20/x
  3. Step 3: Cross multiply
    585,504.48x = 807,985.67 × 330,850.20
  4. Step 4: Simplify right side
    585,504.48x = 267,322,218,862.38
  5. Step 5: Solve for x
    x = 267,322,218,862.38/585,504.48
  6. Step 6: Final answer
    x = 456,567.33

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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.