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Finding the Fourth Proportional to 585,501.47, 807,981.51 and 330,847.19

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Solution

The fourth proportional to 585,501.47, 807,981.51 and 330,847.19 is: 456,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,501.47 : 807,981.51 = 330,847.19 : x
  2. Step 2: Convert to fraction form
    585,501.47/807,981.51 = 330,847.19/x
  3. Step 3: Cross multiply
    585,501.47x = 807,981.51 × 330,847.19
  4. Step 4: Simplify right side
    585,501.47x = 267,318,408,115.55
  5. Step 5: Solve for x
    x = 267,318,408,115.55/585,501.47
  6. Step 6: Final answer
    x = 456,563.18

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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.