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Finding the Fourth Proportional to 808,368.48, 1,213,398 and 335,334.72

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Solution

The fourth proportional to 808,368.48, 1,213,398 and 335,334.72 is: 503,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,368.48 : 1,213,398 = 335,334.72 : x
  2. Step 2: Convert to fraction form
    808,368.48/1,213,398 = 335,334.72/x
  3. Step 3: Cross multiply
    808,368.48x = 1,213,398 × 335,334.72
  4. Step 4: Simplify right side
    808,368.48x = 406,894,478,578.56
  5. Step 5: Solve for x
    x = 406,894,478,578.56/808,368.48
  6. Step 6: Final answer
    x = 503,352.73

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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.