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Finding the Fourth Proportional to 358,537.50, 494,762.95 and 197,361.07

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Solution

The fourth proportional to 358,537.50, 494,762.95 and 197,361.07 is: 272,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,537.50 : 494,762.95 = 197,361.07 : x
  2. Step 2: Convert to fraction form
    358,537.50/494,762.95 = 197,361.07/x
  3. Step 3: Cross multiply
    358,537.50x = 494,762.95 × 197,361.07
  4. Step 4: Simplify right side
    358,537.50x = 97,646,945,208.36
  5. Step 5: Solve for x
    x = 97,646,945,208.36/358,537.50
  6. Step 6: Final answer
    x = 272,347.93

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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.