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Finding the Fourth Proportional to 356,568.40, 492,068.24 and 195,419.98

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Solution

The fourth proportional to 356,568.40, 492,068.24 and 195,419.98 is: 269,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,568.40 : 492,068.24 = 195,419.98 : x
  2. Step 2: Convert to fraction form
    356,568.40/492,068.24 = 195,419.98/x
  3. Step 3: Cross multiply
    356,568.40x = 492,068.24 × 195,419.98
  4. Step 4: Simplify right side
    356,568.40x = 96,159,964,144.99
  5. Step 5: Solve for x
    x = 96,159,964,144.99/356,568.40
  6. Step 6: Final answer
    x = 269,681.68

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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.