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Finding the Fourth Proportional to 511,360.25, 767,151.10 and 195,817.17

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Solution

The fourth proportional to 511,360.25, 767,151.10 and 195,817.17 is: 293,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,360.25 : 767,151.10 = 195,817.17 : x
  2. Step 2: Convert to fraction form
    511,360.25/767,151.10 = 195,817.17/x
  3. Step 3: Cross multiply
    511,360.25x = 767,151.10 × 195,817.17
  4. Step 4: Simplify right side
    511,360.25x = 150,221,357,364.39
  5. Step 5: Solve for x
    x = 150,221,357,364.39/511,360.25
  6. Step 6: Final answer
    x = 293,768.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.