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Finding the Fourth Proportional to 238,151.92, 358,653.51 and 216,894.28

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Solution

The fourth proportional to 238,151.92, 358,653.51 and 216,894.28 is: 326,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,151.92 : 358,653.51 = 216,894.28 : x
  2. Step 2: Convert to fraction form
    238,151.92/358,653.51 = 216,894.28/x
  3. Step 3: Cross multiply
    238,151.92x = 358,653.51 × 216,894.28
  4. Step 4: Simplify right side
    238,151.92x = 77,789,895,128.36
  5. Step 5: Solve for x
    x = 77,789,895,128.36/238,151.92
  6. Step 6: Final answer
    x = 326,639.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.