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Finding the Fourth Proportional to 370,937.67, 556,396.07 and 118,233.31

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Solution

The fourth proportional to 370,937.67, 556,396.07 and 118,233.31 is: 177,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,937.67 : 556,396.07 = 118,233.31 : x
  2. Step 2: Convert to fraction form
    370,937.67/556,396.07 = 118,233.31/x
  3. Step 3: Cross multiply
    370,937.67x = 556,396.07 × 118,233.31
  4. Step 4: Simplify right side
    370,937.67x = 65,784,547,044.94
  5. Step 5: Solve for x
    x = 65,784,547,044.94/370,937.67
  6. Step 6: Final answer
    x = 177,346.63

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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.