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Finding the Fourth Proportional to 370,314.40, 554,067.60 and 245,898.40

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Solution

The fourth proportional to 370,314.40, 554,067.60 and 245,898.40 is: 367,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,314.40 : 554,067.60 = 245,898.40 : x
  2. Step 2: Convert to fraction form
    370,314.40/554,067.60 = 245,898.40/x
  3. Step 3: Cross multiply
    370,314.40x = 554,067.60 × 245,898.40
  4. Step 4: Simplify right side
    370,314.40x = 136,244,336,331.84
  5. Step 5: Solve for x
    x = 136,244,336,331.84/370,314.40
  6. Step 6: Final answer
    x = 367,915.31

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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.