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Finding the Fourth Proportional to 599,332.48, 826,307.05 and 427,446.43

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Solution

The fourth proportional to 599,332.48, 826,307.05 and 427,446.43 is: 589,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,332.48 : 826,307.05 = 427,446.43 : x
  2. Step 2: Convert to fraction form
    599,332.48/826,307.05 = 427,446.43/x
  3. Step 3: Cross multiply
    599,332.48x = 826,307.05 × 427,446.43
  4. Step 4: Simplify right side
    599,332.48x = 353,201,998,606.33
  5. Step 5: Solve for x
    x = 353,201,998,606.33/599,332.48
  6. Step 6: Final answer
    x = 589,325.64

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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.