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Finding the Fourth Proportional to 230,417, 317,975.46 and 124,433

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Solution

The fourth proportional to 230,417, 317,975.46 and 124,433 is: 171,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,417 : 317,975.46 = 124,433 : x
  2. Step 2: Convert to fraction form
    230,417/317,975.46 = 124,433/x
  3. Step 3: Cross multiply
    230,417x = 317,975.46 × 124,433
  4. Step 4: Simplify right side
    230,417x = 39,566,640,414.18
  5. Step 5: Solve for x
    x = 39,566,640,414.18/230,417
  6. Step 6: Final answer
    x = 171,717.54

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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.