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Finding the Fourth Proportional to 585,498.47, 807,977.37 and 330,844.19

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Solution

The fourth proportional to 585,498.47, 807,977.37 and 330,844.19 is: 456,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,498.47 : 807,977.37 = 330,844.19 : x
  2. Step 2: Convert to fraction form
    585,498.47/807,977.37 = 330,844.19/x
  3. Step 3: Cross multiply
    585,498.47x = 807,977.37 × 330,844.19
  4. Step 4: Simplify right side
    585,498.47x = 267,314,614,476.09
  5. Step 5: Solve for x
    x = 267,314,614,476.09/585,498.47
  6. Step 6: Final answer
    x = 456,559.04

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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.