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Finding the Fourth Proportional to 436,881.36, 655,576.80 and 184,146.40

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Solution

The fourth proportional to 436,881.36, 655,576.80 and 184,146.40 is: 276,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,881.36 : 655,576.80 = 184,146.40 : x
  2. Step 2: Convert to fraction form
    436,881.36/655,576.80 = 184,146.40/x
  3. Step 3: Cross multiply
    436,881.36x = 655,576.80 × 184,146.40
  4. Step 4: Simplify right side
    436,881.36x = 120,722,107,643.52
  5. Step 5: Solve for x
    x = 120,722,107,643.52/436,881.36
  6. Step 6: Final answer
    x = 276,326.98

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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.