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Finding the Fourth Proportional to 559,076.55, 771,504.55 and 341,648.79

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Solution

The fourth proportional to 559,076.55, 771,504.55 and 341,648.79 is: 471,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,076.55 : 771,504.55 = 341,648.79 : x
  2. Step 2: Convert to fraction form
    559,076.55/771,504.55 = 341,648.79/x
  3. Step 3: Cross multiply
    559,076.55x = 771,504.55 × 341,648.79
  4. Step 4: Simplify right side
    559,076.55x = 263,583,595,987.00
  5. Step 5: Solve for x
    x = 263,583,595,987.00/559,076.55
  6. Step 6: Final answer
    x = 471,462.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.