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Finding the Fourth Proportional to 238,172.22, 358,684.11 and 216,914.58

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Solution

The fourth proportional to 238,172.22, 358,684.11 and 216,914.58 is: 326,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,172.22 : 358,684.11 = 216,914.58 : x
  2. Step 2: Convert to fraction form
    238,172.22/358,684.11 = 216,914.58/x
  3. Step 3: Cross multiply
    238,172.22x = 358,684.11 × 216,914.58
  4. Step 4: Simplify right side
    238,172.22x = 77,803,813,073.32
  5. Step 5: Solve for x
    x = 77,803,813,073.32/238,172.22
  6. Step 6: Final answer
    x = 326,670.39

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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.