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Finding the Fourth Proportional to 534,850.11, 800,466.81 and 520,457.01

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Solution

The fourth proportional to 534,850.11, 800,466.81 and 520,457.01 is: 778,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,850.11 : 800,466.81 = 520,457.01 : x
  2. Step 2: Convert to fraction form
    534,850.11/800,466.81 = 520,457.01/x
  3. Step 3: Cross multiply
    534,850.11x = 800,466.81 × 520,457.01
  4. Step 4: Simplify right side
    534,850.11x = 416,608,562,536.84
  5. Step 5: Solve for x
    x = 416,608,562,536.84/534,850.11
  6. Step 6: Final answer
    x = 778,925.82

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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.