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Finding the Fourth Proportional to 265,355.68, 397,798.24 and 190,287.04

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Solution

The fourth proportional to 265,355.68, 397,798.24 and 190,287.04 is: 285,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,355.68 : 397,798.24 = 190,287.04 : x
  2. Step 2: Convert to fraction form
    265,355.68/397,798.24 = 190,287.04/x
  3. Step 3: Cross multiply
    265,355.68x = 397,798.24 × 190,287.04
  4. Step 4: Simplify right side
    265,355.68x = 75,695,849,606.81
  5. Step 5: Solve for x
    x = 75,695,849,606.81/265,355.68
  6. Step 6: Final answer
    x = 285,261.84

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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.