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Finding the Fourth Proportional to 341,079.40, 511,973.96 and 251,223.58

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Solution

The fourth proportional to 341,079.40, 511,973.96 and 251,223.58 is: 377,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,079.40 : 511,973.96 = 251,223.58 : x
  2. Step 2: Convert to fraction form
    341,079.40/511,973.96 = 251,223.58/x
  3. Step 3: Cross multiply
    341,079.40x = 511,973.96 × 251,223.58
  4. Step 4: Simplify right side
    341,079.40x = 128,619,931,097.98
  5. Step 5: Solve for x
    x = 128,619,931,097.98/341,079.40
  6. Step 6: Final answer
    x = 377,096.74

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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.