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Finding the Fourth Proportional to 357,174.74, 492,900.73 and 196,030.19

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Solution

The fourth proportional to 357,174.74, 492,900.73 and 196,030.19 is: 270,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,174.74 : 492,900.73 = 196,030.19 : x
  2. Step 2: Convert to fraction form
    357,174.74/492,900.73 = 196,030.19/x
  3. Step 3: Cross multiply
    357,174.74x = 492,900.73 × 196,030.19
  4. Step 4: Simplify right side
    357,174.74x = 96,623,424,495.22
  5. Step 5: Solve for x
    x = 96,623,424,495.22/357,174.74
  6. Step 6: Final answer
    x = 270,521.44

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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.