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Finding the Fourth Proportional to 371,294.51, 556,852.56 and 171,422.96

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Solution

The fourth proportional to 371,294.51, 556,852.56 and 171,422.96 is: 257,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,294.51 : 556,852.56 = 171,422.96 : x
  2. Step 2: Convert to fraction form
    371,294.51/556,852.56 = 171,422.96/x
  3. Step 3: Cross multiply
    371,294.51x = 556,852.56 × 171,422.96
  4. Step 4: Simplify right side
    371,294.51x = 95,457,314,118.78
  5. Step 5: Solve for x
    x = 95,457,314,118.78/371,294.51
  6. Step 6: Final answer
    x = 257,093.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.