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Finding the Fourth Proportional to 341,312.46, 512,066.97 and 104,689.86

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Solution

The fourth proportional to 341,312.46, 512,066.97 and 104,689.86 is: 157,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,312.46 : 512,066.97 = 104,689.86 : x
  2. Step 2: Convert to fraction form
    341,312.46/512,066.97 = 104,689.86/x
  3. Step 3: Cross multiply
    341,312.46x = 512,066.97 × 104,689.86
  4. Step 4: Simplify right side
    341,312.46x = 53,608,219,399.92
  5. Step 5: Solve for x
    x = 53,608,219,399.92/341,312.46
  6. Step 6: Final answer
    x = 157,064.94

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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.