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Finding the Fourth Proportional to 649,356.56, 973,029.96 and 450,066.32

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Solution

The fourth proportional to 649,356.56, 973,029.96 and 450,066.32 is: 674,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,356.56 : 973,029.96 = 450,066.32 : x
  2. Step 2: Convert to fraction form
    649,356.56/973,029.96 = 450,066.32/x
  3. Step 3: Cross multiply
    649,356.56x = 973,029.96 × 450,066.32
  4. Step 4: Simplify right side
    649,356.56x = 437,928,013,346.95
  5. Step 5: Solve for x
    x = 437,928,013,346.95/649,356.56
  6. Step 6: Final answer
    x = 674,403.00

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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.