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Finding the Fourth Proportional to 985,169.43, 1,477,768.74 and 650,354.31

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Solution

The fourth proportional to 985,169.43, 1,477,768.74 and 650,354.31 is: 975,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,169.43 : 1,477,768.74 = 650,354.31 : x
  2. Step 2: Convert to fraction form
    985,169.43/1,477,768.74 = 650,354.31/x
  3. Step 3: Cross multiply
    985,169.43x = 1,477,768.74 × 650,354.31
  4. Step 4: Simplify right side
    985,169.43x = 961,073,269,242.27
  5. Step 5: Solve for x
    x = 961,073,269,242.27/985,169.43
  6. Step 6: Final answer
    x = 975,541.10

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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.