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Finding the Fourth Proportional to 585,446.95, 807,906.30 and 330,792.67

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Solution

The fourth proportional to 585,446.95, 807,906.30 and 330,792.67 is: 456,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,446.95 : 807,906.30 = 330,792.67 : x
  2. Step 2: Convert to fraction form
    585,446.95/807,906.30 = 330,792.67/x
  3. Step 3: Cross multiply
    585,446.95x = 807,906.30 × 330,792.67
  4. Step 4: Simplify right side
    585,446.95x = 267,249,482,086.82
  5. Step 5: Solve for x
    x = 267,249,482,086.82/585,446.95
  6. Step 6: Final answer
    x = 456,487.96

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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.