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Finding the Fourth Proportional to 356,702.66, 492,249.53 and 195,554.25

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Solution

The fourth proportional to 356,702.66, 492,249.53 and 195,554.25 is: 269,864.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,702.66 : 492,249.53 = 195,554.25 : x
  2. Step 2: Convert to fraction form
    356,702.66/492,249.53 = 195,554.25/x
  3. Step 3: Cross multiply
    356,702.66x = 492,249.53 × 195,554.25
  4. Step 4: Simplify right side
    356,702.66x = 96,261,486,674.23
  5. Step 5: Solve for x
    x = 96,261,486,674.23/356,702.66
  6. Step 6: Final answer
    x = 269,864.79

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1.5x scale

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.