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Finding the Fourth Proportional to 341,207.74, 511,877.22 and 130,829.28

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Solution

The fourth proportional to 341,207.74, 511,877.22 and 130,829.28 is: 196,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,207.74 : 511,877.22 = 130,829.28 : x
  2. Step 2: Convert to fraction form
    341,207.74/511,877.22 = 130,829.28/x
  3. Step 3: Cross multiply
    341,207.74x = 511,877.22 × 130,829.28
  4. Step 4: Simplify right side
    341,207.74x = 66,968,528,141.00
  5. Step 5: Solve for x
    x = 66,968,528,141.00/341,207.74
  6. Step 6: Final answer
    x = 196,269.08

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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.