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Finding the Fourth Proportional to 585,435.84, 807,839.64 and 330,737.84

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Solution

The fourth proportional to 585,435.84, 807,839.64 and 330,737.84 is: 456,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,435.84 : 807,839.64 = 330,737.84 : x
  2. Step 2: Convert to fraction form
    585,435.84/807,839.64 = 330,737.84/x
  3. Step 3: Cross multiply
    585,435.84x = 807,839.64 × 330,737.84
  4. Step 4: Simplify right side
    585,435.84x = 267,183,137,599.98
  5. Step 5: Solve for x
    x = 267,183,137,599.98/585,435.84
  6. Step 6: Final answer
    x = 456,383.29

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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.