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Finding the Fourth Proportional to 580,017.54, 869,910.54 and 195,728.84

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Solution

The fourth proportional to 580,017.54, 869,910.54 and 195,728.84 is: 293,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,017.54 : 869,910.54 = 195,728.84 : x
  2. Step 2: Convert to fraction form
    580,017.54/869,910.54 = 195,728.84/x
  3. Step 3: Cross multiply
    580,017.54x = 869,910.54 × 195,728.84
  4. Step 4: Simplify right side
    580,017.54x = 170,266,580,897.97
  5. Step 5: Solve for x
    x = 170,266,580,897.97/580,017.54
  6. Step 6: Final answer
    x = 293,554.19

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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.