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Finding the Fourth Proportional to 595,487.86, 821,810.01 and 340,833.22

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Solution

The fourth proportional to 595,487.86, 821,810.01 and 340,833.22 is: 470,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,487.86 : 821,810.01 = 340,833.22 : x
  2. Step 2: Convert to fraction form
    595,487.86/821,810.01 = 340,833.22/x
  3. Step 3: Cross multiply
    595,487.86x = 821,810.01 × 340,833.22
  4. Step 4: Simplify right side
    595,487.86x = 280,100,151,936.53
  5. Step 5: Solve for x
    x = 280,100,151,936.53/595,487.86
  6. Step 6: Final answer
    x = 470,370.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.