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Finding the Fourth Proportional to 341,111.68, 511,668.76 and 104,453.40

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Solution

The fourth proportional to 341,111.68, 511,668.76 and 104,453.40 is: 156,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,111.68 : 511,668.76 = 104,453.40 : x
  2. Step 2: Convert to fraction form
    341,111.68/511,668.76 = 104,453.40/x
  3. Step 3: Cross multiply
    341,111.68x = 511,668.76 × 104,453.40
  4. Step 4: Simplify right side
    341,111.68x = 53,445,541,655.78
  5. Step 5: Solve for x
    x = 53,445,541,655.78/341,111.68
  6. Step 6: Final answer
    x = 156,680.48

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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.