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Finding the Fourth Proportional to 548,901, 822,602.79 and 335,743.02

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Solution

The fourth proportional to 548,901, 822,602.79 and 335,743.02 is: 503,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,901 : 822,602.79 = 335,743.02 : x
  2. Step 2: Convert to fraction form
    548,901/822,602.79 = 335,743.02/x
  3. Step 3: Cross multiply
    548,901x = 822,602.79 × 335,743.02
  4. Step 4: Simplify right side
    548,901x = 276,183,144,975.03
  5. Step 5: Solve for x
    x = 276,183,144,975.03/548,901
  6. Step 6: Final answer
    x = 503,156.57

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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.