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Finding the Fourth Proportional to 292,665.69, 438,998.43 and 82,303.62

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Solution

The fourth proportional to 292,665.69, 438,998.43 and 82,303.62 is: 123,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,665.69 : 438,998.43 = 82,303.62 : x
  2. Step 2: Convert to fraction form
    292,665.69/438,998.43 = 82,303.62/x
  3. Step 3: Cross multiply
    292,665.69x = 438,998.43 × 82,303.62
  4. Step 4: Simplify right side
    292,665.69x = 36,131,159,963.32
  5. Step 5: Solve for x
    x = 36,131,159,963.32/292,665.69
  6. Step 6: Final answer
    x = 123,455.40

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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.