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Finding the Fourth Proportional to 356,569.40, 492,069.62 and 195,420.98

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Solution

The fourth proportional to 356,569.40, 492,069.62 and 195,420.98 is: 269,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,569.40 : 492,069.62 = 195,420.98 : x
  2. Step 2: Convert to fraction form
    356,569.40/492,069.62 = 195,420.98/x
  3. Step 3: Cross multiply
    356,569.40x = 492,069.62 × 195,420.98
  4. Step 4: Simplify right side
    356,569.40x = 96,160,727,368.63
  5. Step 5: Solve for x
    x = 96,160,727,368.63/356,569.40
  6. Step 6: Final answer
    x = 269,683.06

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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.