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Finding the Fourth Proportional to 317,633.30, 438,208.95 and 181,594.17

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Solution

The fourth proportional to 317,633.30, 438,208.95 and 181,594.17 is: 250,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.30 : 438,208.95 = 181,594.17 : x
  2. Step 2: Convert to fraction form
    317,633.30/438,208.95 = 181,594.17/x
  3. Step 3: Cross multiply
    317,633.30x = 438,208.95 × 181,594.17
  4. Step 4: Simplify right side
    317,633.30x = 79,576,191,242.80
  5. Step 5: Solve for x
    x = 79,576,191,242.80/317,633.30
  6. Step 6: Final answer
    x = 250,528.49

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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.