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Finding the Fourth Proportional to 2,318,765.92, 3,478,926.96 and 898,868.32

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Solution

The fourth proportional to 2,318,765.92, 3,478,926.96 and 898,868.32 is: 1,348,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,765.92 : 3,478,926.96 = 898,868.32 : x
  2. Step 2: Convert to fraction form
    2,318,765.92/3,478,926.96 = 898,868.32/x
  3. Step 3: Cross multiply
    2,318,765.92x = 3,478,926.96 × 898,868.32
  4. Step 4: Simplify right side
    2,318,765.92x = 3,127,097,231,937.91
  5. Step 5: Solve for x
    x = 3,127,097,231,937.91/2,318,765.92
  6. Step 6: Final answer
    x = 1,348,604.10

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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.