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Finding the Fourth Proportional to 644,658.98, 967,408.06 and 245,303.06

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Solution

The fourth proportional to 644,658.98, 967,408.06 and 245,303.06 is: 368,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,658.98 : 967,408.06 = 245,303.06 : x
  2. Step 2: Convert to fraction form
    644,658.98/967,408.06 = 245,303.06/x
  3. Step 3: Cross multiply
    644,658.98x = 967,408.06 × 245,303.06
  4. Step 4: Simplify right side
    644,658.98x = 237,308,157,386.66
  5. Step 5: Solve for x
    x = 237,308,157,386.66/644,658.98
  6. Step 6: Final answer
    x = 368,114.25

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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.