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Finding the Fourth Proportional to 364,633.80, 546,924.78 and 98,409.48

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Solution

The fourth proportional to 364,633.80, 546,924.78 and 98,409.48 is: 147,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,633.80 : 546,924.78 = 98,409.48 : x
  2. Step 2: Convert to fraction form
    364,633.80/546,924.78 = 98,409.48/x
  3. Step 3: Cross multiply
    364,633.80x = 546,924.78 × 98,409.48
  4. Step 4: Simplify right side
    364,633.80x = 53,822,583,198.91
  5. Step 5: Solve for x
    x = 53,822,583,198.91/364,633.80
  6. Step 6: Final answer
    x = 147,607.22

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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.