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Finding the Fourth Proportional to 341,115.72, 511,674.78 and 104,457.36

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Solution

The fourth proportional to 341,115.72, 511,674.78 and 104,457.36 is: 156,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,115.72 : 511,674.78 = 104,457.36 : x
  2. Step 2: Convert to fraction form
    341,115.72/511,674.78 = 104,457.36/x
  3. Step 3: Cross multiply
    341,115.72x = 511,674.78 × 104,457.36
  4. Step 4: Simplify right side
    341,115.72x = 53,448,196,697.38
  5. Step 5: Solve for x
    x = 53,448,196,697.38/341,115.72
  6. Step 6: Final answer
    x = 156,686.41

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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.