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Finding the Fourth Proportional to 403,017.80, 604,560.54 and 122,537.48

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Solution

The fourth proportional to 403,017.80, 604,560.54 and 122,537.48 is: 183,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,017.80 : 604,560.54 = 122,537.48 : x
  2. Step 2: Convert to fraction form
    403,017.80/604,560.54 = 122,537.48/x
  3. Step 3: Cross multiply
    403,017.80x = 604,560.54 × 122,537.48
  4. Step 4: Simplify right side
    403,017.80x = 74,081,325,079.04
  5. Step 5: Solve for x
    x = 74,081,325,079.04/403,017.80
  6. Step 6: Final answer
    x = 183,816.51

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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.