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Finding the Fourth Proportional to 308,038.94, 425,093.73 and 173,902.94

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Solution

The fourth proportional to 308,038.94, 425,093.73 and 173,902.94 is: 239,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,038.94 : 425,093.73 = 173,902.94 : x
  2. Step 2: Convert to fraction form
    308,038.94/425,093.73 = 173,902.94/x
  3. Step 3: Cross multiply
    308,038.94x = 425,093.73 × 173,902.94
  4. Step 4: Simplify right side
    308,038.94x = 73,925,049,422.57
  5. Step 5: Solve for x
    x = 73,925,049,422.57/308,038.94
  6. Step 6: Final answer
    x = 239,986.05

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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.