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Finding the Fourth Proportional to 907,955.14, 1,361,880.87 and 347,046.34

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Solution

The fourth proportional to 907,955.14, 1,361,880.87 and 347,046.34 is: 520,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,955.14 : 1,361,880.87 = 347,046.34 : x
  2. Step 2: Convert to fraction form
    907,955.14/1,361,880.87 = 347,046.34/x
  3. Step 3: Cross multiply
    907,955.14x = 1,361,880.87 × 347,046.34
  4. Step 4: Simplify right side
    907,955.14x = 472,635,771,449.52
  5. Step 5: Solve for x
    x = 472,635,771,449.52/907,955.14
  6. Step 6: Final answer
    x = 520,549.70

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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.