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Finding the Fourth Proportional to 341,196.37, 511,860.16 and 130,817.90

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Solution

The fourth proportional to 341,196.37, 511,860.16 and 130,817.90 is: 196,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,196.37 : 511,860.16 = 130,817.90 : x
  2. Step 2: Convert to fraction form
    341,196.37/511,860.16 = 130,817.90/x
  3. Step 3: Cross multiply
    341,196.37x = 511,860.16 × 130,817.90
  4. Step 4: Simplify right side
    341,196.37x = 66,960,470,570.77
  5. Step 5: Solve for x
    x = 66,960,470,570.77/341,196.37
  6. Step 6: Final answer
    x = 196,252.00

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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.