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Finding the Fourth Proportional to 317,361.63, 437,959.04 and 181,398.51

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Solution

The fourth proportional to 317,361.63, 437,959.04 and 181,398.51 is: 250,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,361.63 : 437,959.04 = 181,398.51 : x
  2. Step 2: Convert to fraction form
    317,361.63/437,959.04 = 181,398.51/x
  3. Step 3: Cross multiply
    317,361.63x = 437,959.04 × 181,398.51
  4. Step 4: Simplify right side
    317,361.63x = 79,445,116,390.04
  5. Step 5: Solve for x
    x = 79,445,116,390.04/317,361.63
  6. Step 6: Final answer
    x = 250,329.93

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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.