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Finding the Fourth Proportional to 341,856.90, 471,762.09 and 190,953.90

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Solution

The fourth proportional to 341,856.90, 471,762.09 and 190,953.90 is: 263,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,856.90 : 471,762.09 = 190,953.90 : x
  2. Step 2: Convert to fraction form
    341,856.90/471,762.09 = 190,953.90/x
  3. Step 3: Cross multiply
    341,856.90x = 471,762.09 × 190,953.90
  4. Step 4: Simplify right side
    341,856.90x = 90,084,810,957.65
  5. Step 5: Solve for x
    x = 90,084,810,957.65/341,856.90
  6. Step 6: Final answer
    x = 263,516.14

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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.