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Finding the Fourth Proportional to 598,392,266.40, 896,832,572.40 and 291,022,538.40

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Solution

The fourth proportional to 598,392,266.40, 896,832,572.40 and 291,022,538.40 is: 436,166,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,392,266.40 : 896,832,572.40 = 291,022,538.40 : x
  2. Step 2: Convert to fraction form
    598,392,266.40/896,832,572.40 = 291,022,538.40/x
  3. Step 3: Cross multiply
    598,392,266.40x = 896,832,572.40 × 291,022,538.40
  4. Step 4: Simplify right side
    598,392,266.40x = 260,998,491,739,649,760
  5. Step 5: Solve for x
    x = 260,998,491,739,649,760/598,392,266.40
  6. Step 6: Final answer
    x = 436,166,218.04

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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.