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Finding the Fourth Proportional to 510,048.48, 703,892.88 and 295,197.60

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Solution

The fourth proportional to 510,048.48, 703,892.88 and 295,197.60 is: 407,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,048.48 : 703,892.88 = 295,197.60 : x
  2. Step 2: Convert to fraction form
    510,048.48/703,892.88 = 295,197.60/x
  3. Step 3: Cross multiply
    510,048.48x = 703,892.88 × 295,197.60
  4. Step 4: Simplify right side
    510,048.48x = 207,787,488,833.09
  5. Step 5: Solve for x
    x = 207,787,488,833.09/510,048.48
  6. Step 6: Final answer
    x = 407,387.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.