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Finding the Fourth Proportional to 341,316.06, 511,676.01 and 172,615.74

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Solution

The fourth proportional to 341,316.06, 511,676.01 and 172,615.74 is: 258,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,316.06 : 511,676.01 = 172,615.74 : x
  2. Step 2: Convert to fraction form
    341,316.06/511,676.01 = 172,615.74/x
  3. Step 3: Cross multiply
    341,316.06x = 511,676.01 × 172,615.74
  4. Step 4: Simplify right side
    341,316.06x = 88,323,333,106.40
  5. Step 5: Solve for x
    x = 88,323,333,106.40/341,316.06
  6. Step 6: Final answer
    x = 258,772.86

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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.