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Finding the Fourth Proportional to 510,868.06, 766,302.09 and 155,883.94

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Solution

The fourth proportional to 510,868.06, 766,302.09 and 155,883.94 is: 233,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,868.06 : 766,302.09 = 155,883.94 : x
  2. Step 2: Convert to fraction form
    510,868.06/766,302.09 = 155,883.94/x
  3. Step 3: Cross multiply
    510,868.06x = 766,302.09 × 155,883.94
  4. Step 4: Simplify right side
    510,868.06x = 119,454,189,019.44
  5. Step 5: Solve for x
    x = 119,454,189,019.44/510,868.06
  6. Step 6: Final answer
    x = 233,825.91

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Similar ratio
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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.