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Finding the Fourth Proportional to 317,362.63, 437,960.41 and 181,399.51

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Solution

The fourth proportional to 317,362.63, 437,960.41 and 181,399.51 is: 250,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,362.63 : 437,960.41 = 181,399.51 : x
  2. Step 2: Convert to fraction form
    317,362.63/437,960.41 = 181,399.51/x
  3. Step 3: Cross multiply
    317,362.63x = 437,960.41 × 181,399.51
  4. Step 4: Simplify right side
    317,362.63x = 79,445,803,773.40
  5. Step 5: Solve for x
    x = 79,445,803,773.40/317,362.63
  6. Step 6: Final answer
    x = 250,331.31

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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.