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Finding the Fourth Proportional to 598,820.70, 897,451.05 and 243,419.58

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Solution

The fourth proportional to 598,820.70, 897,451.05 and 243,419.58 is: 364,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,820.70 : 897,451.05 = 243,419.58 : x
  2. Step 2: Convert to fraction form
    598,820.70/897,451.05 = 243,419.58/x
  3. Step 3: Cross multiply
    598,820.70x = 897,451.05 × 243,419.58
  4. Step 4: Simplify right side
    598,820.70x = 218,457,157,661.56
  5. Step 5: Solve for x
    x = 218,457,157,661.56/598,820.70
  6. Step 6: Final answer
    x = 364,812.30

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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.