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Finding the Fourth Proportional to 364,904.84, 547,355.93 and 98,665.34

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Solution

The fourth proportional to 364,904.84, 547,355.93 and 98,665.34 is: 147,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,904.84 : 547,355.93 = 98,665.34 : x
  2. Step 2: Convert to fraction form
    364,904.84/547,355.93 = 98,665.34/x
  3. Step 3: Cross multiply
    364,904.84x = 547,355.93 × 98,665.34
  4. Step 4: Simplify right side
    364,904.84x = 54,005,055,704.36
  5. Step 5: Solve for x
    x = 54,005,055,704.36/364,904.84
  6. Step 6: Final answer
    x = 147,997.64

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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.