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Finding the Fourth Proportional to 427,084.68, 589,325.58 and 236,071.92

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Solution

The fourth proportional to 427,084.68, 589,325.58 and 236,071.92 is: 325,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,084.68 : 589,325.58 = 236,071.92 : x
  2. Step 2: Convert to fraction form
    427,084.68/589,325.58 = 236,071.92/x
  3. Step 3: Cross multiply
    427,084.68x = 589,325.58 × 236,071.92
  4. Step 4: Simplify right side
    427,084.68x = 139,123,221,175.71
  5. Step 5: Solve for x
    x = 139,123,221,175.71/427,084.68
  6. Step 6: Final answer
    x = 325,750.91

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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.