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Finding the Fourth Proportional to 599,887.92, 900,059.20 and 360,169.28

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Solution

The fourth proportional to 599,887.92, 900,059.20 and 360,169.28 is: 540,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,887.92 : 900,059.20 = 360,169.28 : x
  2. Step 2: Convert to fraction form
    599,887.92/900,059.20 = 360,169.28/x
  3. Step 3: Cross multiply
    599,887.92x = 900,059.20 × 360,169.28
  4. Step 4: Simplify right side
    599,887.92x = 324,173,674,021.38
  5. Step 5: Solve for x
    x = 324,173,674,021.38/599,887.92
  6. Step 6: Final answer
    x = 540,390.40

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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.