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Finding the Fourth Proportional to 356,544.88, 492,020.80 and 195,397.00

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Solution

The fourth proportional to 356,544.88, 492,020.80 and 195,397.00 is: 269,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,544.88 : 492,020.80 = 195,397.00 : x
  2. Step 2: Convert to fraction form
    356,544.88/492,020.80 = 195,397.00/x
  3. Step 3: Cross multiply
    356,544.88x = 492,020.80 × 195,397.00
  4. Step 4: Simplify right side
    356,544.88x = 96,139,386,539.06
  5. Step 5: Solve for x
    x = 96,139,386,539.06/356,544.88
  6. Step 6: Final answer
    x = 269,641.76

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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.