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Finding the Fourth Proportional to 334,593.08, 461,707.72 and 198,603.80

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Solution

The fourth proportional to 334,593.08, 461,707.72 and 198,603.80 is: 274,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,593.08 : 461,707.72 = 198,603.80 : x
  2. Step 2: Convert to fraction form
    334,593.08/461,707.72 = 198,603.80/x
  3. Step 3: Cross multiply
    334,593.08x = 461,707.72 × 198,603.80
  4. Step 4: Simplify right side
    334,593.08x = 91,696,907,681.34
  5. Step 5: Solve for x
    x = 91,696,907,681.34/334,593.08
  6. Step 6: Final answer
    x = 274,055.00

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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.