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Finding the Fourth Proportional to 922,850.79, 1,384,267.53 and 291,764.67

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Solution

The fourth proportional to 922,850.79, 1,384,267.53 and 291,764.67 is: 437,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,850.79 : 1,384,267.53 = 291,764.67 : x
  2. Step 2: Convert to fraction form
    922,850.79/1,384,267.53 = 291,764.67/x
  3. Step 3: Cross multiply
    922,850.79x = 1,384,267.53 × 291,764.67
  4. Step 4: Simplify right side
    922,850.79x = 403,880,359,082.17
  5. Step 5: Solve for x
    x = 403,880,359,082.17/922,850.79
  6. Step 6: Final answer
    x = 437,644.27

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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.