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Finding the Fourth Proportional to 665,291.40, 997,718.40 and 244,512.60

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Solution

The fourth proportional to 665,291.40, 997,718.40 and 244,512.60 is: 366,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,291.40 : 997,718.40 = 244,512.60 : x
  2. Step 2: Convert to fraction form
    665,291.40/997,718.40 = 244,512.60/x
  3. Step 3: Cross multiply
    665,291.40x = 997,718.40 × 244,512.60
  4. Step 4: Simplify right side
    665,291.40x = 243,954,720,051.84
  5. Step 5: Solve for x
    x = 243,954,720,051.84/665,291.40
  6. Step 6: Final answer
    x = 366,688.52

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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.