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Finding the Fourth Proportional to 507,266.45, 700,040.25 and 277,833.40

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Solution

The fourth proportional to 507,266.45, 700,040.25 and 277,833.40 is: 383,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,266.45 : 700,040.25 = 277,833.40 : x
  2. Step 2: Convert to fraction form
    507,266.45/700,040.25 = 277,833.40/x
  3. Step 3: Cross multiply
    507,266.45x = 700,040.25 × 277,833.40
  4. Step 4: Simplify right side
    507,266.45x = 194,494,565,185.00
  5. Step 5: Solve for x
    x = 194,494,565,185.00/507,266.45
  6. Step 6: Final answer
    x = 383,416.97

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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.