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Finding the Fourth Proportional to 585,436.34, 807,840.33 and 330,738.34

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Solution

The fourth proportional to 585,436.34, 807,840.33 and 330,738.34 is: 456,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,436.34 : 807,840.33 = 330,738.34 : x
  2. Step 2: Convert to fraction form
    585,436.34/807,840.33 = 330,738.34/x
  3. Step 3: Cross multiply
    585,436.34x = 807,840.33 × 330,738.34
  4. Step 4: Simplify right side
    585,436.34x = 267,183,769,729.25
  5. Step 5: Solve for x
    x = 267,183,769,729.25/585,436.34
  6. Step 6: Final answer
    x = 456,383.98

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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.