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Finding the Fourth Proportional to 341,078.98, 511,973.32 and 251,223.15

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Solution

The fourth proportional to 341,078.98, 511,973.32 and 251,223.15 is: 377,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,078.98 : 511,973.32 = 251,223.15 : x
  2. Step 2: Convert to fraction form
    341,078.98/511,973.32 = 251,223.15/x
  3. Step 3: Cross multiply
    341,078.98x = 511,973.32 × 251,223.15
  4. Step 4: Simplify right side
    341,078.98x = 128,619,549,538.30
  5. Step 5: Solve for x
    x = 128,619,549,538.30/341,078.98
  6. Step 6: Final answer
    x = 377,096.09

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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.