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Finding the Fourth Proportional to 368,651.79, 552,988.62 and 144,003.15

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Solution

The fourth proportional to 368,651.79, 552,988.62 and 144,003.15 is: 216,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,651.79 : 552,988.62 = 144,003.15 : x
  2. Step 2: Convert to fraction form
    368,651.79/552,988.62 = 144,003.15/x
  3. Step 3: Cross multiply
    368,651.79x = 552,988.62 × 144,003.15
  4. Step 4: Simplify right side
    368,651.79x = 79,632,103,194.15
  5. Step 5: Solve for x
    x = 79,632,103,194.15/368,651.79
  6. Step 6: Final answer
    x = 216,009.00

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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.