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Finding the Fourth Proportional to 370,453.68, 555,680.52 and 89,969.04

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Solution

The fourth proportional to 370,453.68, 555,680.52 and 89,969.04 is: 134,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,453.68 : 555,680.52 = 89,969.04 : x
  2. Step 2: Convert to fraction form
    370,453.68/555,680.52 = 89,969.04/x
  3. Step 3: Cross multiply
    370,453.68x = 555,680.52 × 89,969.04
  4. Step 4: Simplify right side
    370,453.68x = 49,994,042,931.10
  5. Step 5: Solve for x
    x = 49,994,042,931.10/370,453.68
  6. Step 6: Final answer
    x = 134,953.56

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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.