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Finding the Fourth Proportional to 356,574.66, 492,076.88 and 195,426.24

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Solution

The fourth proportional to 356,574.66, 492,076.88 and 195,426.24 is: 269,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,574.66 : 492,076.88 = 195,426.24 : x
  2. Step 2: Convert to fraction form
    356,574.66/492,076.88 = 195,426.24/x
  3. Step 3: Cross multiply
    356,574.66x = 492,076.88 × 195,426.24
  4. Step 4: Simplify right side
    356,574.66x = 96,164,734,449.33
  5. Step 5: Solve for x
    x = 96,164,734,449.33/356,574.66
  6. Step 6: Final answer
    x = 269,690.32

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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.