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Finding the Fourth Proportional to 585,500.47, 807,980.13 and 330,846.19

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Solution

The fourth proportional to 585,500.47, 807,980.13 and 330,846.19 is: 456,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,500.47 : 807,980.13 = 330,846.19 : x
  2. Step 2: Convert to fraction form
    585,500.47/807,980.13 = 330,846.19/x
  3. Step 3: Cross multiply
    585,500.47x = 807,980.13 × 330,846.19
  4. Step 4: Simplify right side
    585,500.47x = 267,317,147,606.21
  5. Step 5: Solve for x
    x = 267,317,147,606.21/585,500.47
  6. Step 6: Final answer
    x = 456,561.80

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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.