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Finding the Fourth Proportional to 437,088.97, 655,750.14 and 156,634.57

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Solution

The fourth proportional to 437,088.97, 655,750.14 and 156,634.57 is: 234,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,088.97 : 655,750.14 = 156,634.57 : x
  2. Step 2: Convert to fraction form
    437,088.97/655,750.14 = 156,634.57/x
  3. Step 3: Cross multiply
    437,088.97x = 655,750.14 × 156,634.57
  4. Step 4: Simplify right side
    437,088.97x = 102,713,141,206.34
  5. Step 5: Solve for x
    x = 102,713,141,206.34/437,088.97
  6. Step 6: Final answer
    x = 234,993.67

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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.