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Finding the Fourth Proportional to 341,263.92, 470,957.04 and 190,390.08

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Solution

The fourth proportional to 341,263.92, 470,957.04 and 190,390.08 is: 262,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,263.92 : 470,957.04 = 190,390.08 : x
  2. Step 2: Convert to fraction form
    341,263.92/470,957.04 = 190,390.08/x
  3. Step 3: Cross multiply
    341,263.92x = 470,957.04 × 190,390.08
  4. Step 4: Simplify right side
    341,263.92x = 89,665,548,522.16
  5. Step 5: Solve for x
    x = 89,665,548,522.16/341,263.92
  6. Step 6: Final answer
    x = 262,745.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.