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Finding the Fourth Proportional to 607,272.57, 909,911.82 and 207,695.34

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Solution

The fourth proportional to 607,272.57, 909,911.82 and 207,695.34 is: 311,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,272.57 : 909,911.82 = 207,695.34 : x
  2. Step 2: Convert to fraction form
    607,272.57/909,911.82 = 207,695.34/x
  3. Step 3: Cross multiply
    607,272.57x = 909,911.82 × 207,695.34
  4. Step 4: Simplify right side
    607,272.57x = 188,984,444,824.92
  5. Step 5: Solve for x
    x = 188,984,444,824.92/607,272.57
  6. Step 6: Final answer
    x = 311,202.01

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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.