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Finding the Fourth Proportional to 357,763.04, 536,791.40 and 189,238.32

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Solution

The fourth proportional to 357,763.04, 536,791.40 and 189,238.32 is: 283,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,763.04 : 536,791.40 = 189,238.32 : x
  2. Step 2: Convert to fraction form
    357,763.04/536,791.40 = 189,238.32/x
  3. Step 3: Cross multiply
    357,763.04x = 536,791.40 × 189,238.32
  4. Step 4: Simplify right side
    357,763.04x = 101,581,502,726.45
  5. Step 5: Solve for x
    x = 101,581,502,726.45/357,763.04
  6. Step 6: Final answer
    x = 283,935.15

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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.