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Finding the Fourth Proportional to 492,851.40, 739,277.10 and 335,387.40

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Solution

The fourth proportional to 492,851.40, 739,277.10 and 335,387.40 is: 503,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,851.40 : 739,277.10 = 335,387.40 : x
  2. Step 2: Convert to fraction form
    492,851.40/739,277.10 = 335,387.40/x
  3. Step 3: Cross multiply
    492,851.40x = 739,277.10 × 335,387.40
  4. Step 4: Simplify right side
    492,851.40x = 247,944,224,448.54
  5. Step 5: Solve for x
    x = 247,944,224,448.54/492,851.40
  6. Step 6: Final answer
    x = 503,081.10

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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.