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Finding the Fourth Proportional to 261,040.80, 364,669.80 and 261,040.80

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Solution

The fourth proportional to 261,040.80, 364,669.80 and 261,040.80 is: 364,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,040.80 : 364,669.80 = 261,040.80 : x
  2. Step 2: Convert to fraction form
    261,040.80/364,669.80 = 261,040.80/x
  3. Step 3: Cross multiply
    261,040.80x = 364,669.80 × 261,040.80
  4. Step 4: Simplify right side
    261,040.80x = 95,193,696,327.84
  5. Step 5: Solve for x
    x = 95,193,696,327.84/261,040.80
  6. Step 6: Final answer
    x = 364,669.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.