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Finding the Fourth Proportional to 572,697.93, 859,233.74 and 273,139.60

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Solution

The fourth proportional to 572,697.93, 859,233.74 and 273,139.60 is: 409,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,697.93 : 859,233.74 = 273,139.60 : x
  2. Step 2: Convert to fraction form
    572,697.93/859,233.74 = 273,139.60/x
  3. Step 3: Cross multiply
    572,697.93x = 859,233.74 × 273,139.60
  4. Step 4: Simplify right side
    572,697.93x = 234,690,762,100.39
  5. Step 5: Solve for x
    x = 234,690,762,100.39/572,697.93
  6. Step 6: Final answer
    x = 409,798.52

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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.