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Finding the Fourth Proportional to 371,214.90, 556,760.43 and 104,914.98

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Solution

The fourth proportional to 371,214.90, 556,760.43 and 104,914.98 is: 157,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,214.90 : 556,760.43 = 104,914.98 : x
  2. Step 2: Convert to fraction form
    371,214.90/556,760.43 = 104,914.98/x
  3. Step 3: Cross multiply
    371,214.90x = 556,760.43 × 104,914.98
  4. Step 4: Simplify right side
    371,214.90x = 58,412,509,378.24
  5. Step 5: Solve for x
    x = 58,412,509,378.24/371,214.90
  6. Step 6: Final answer
    x = 157,354.97

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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.