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Finding the Fourth Proportional to 292,448.61, 403,605.99 and 177,700.59

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Solution

The fourth proportional to 292,448.61, 403,605.99 and 177,700.59 is: 245,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,448.61 : 403,605.99 = 177,700.59 : x
  2. Step 2: Convert to fraction form
    292,448.61/403,605.99 = 177,700.59/x
  3. Step 3: Cross multiply
    292,448.61x = 403,605.99 × 177,700.59
  4. Step 4: Simplify right side
    292,448.61x = 71,721,022,550.53
  5. Step 5: Solve for x
    x = 71,721,022,550.53/292,448.61
  6. Step 6: Final answer
    x = 245,243.16

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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.