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Finding the Fourth Proportional to 406,938.06, 610,483.62 and 163,797.72

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Solution

The fourth proportional to 406,938.06, 610,483.62 and 163,797.72 is: 245,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,938.06 : 610,483.62 = 163,797.72 : x
  2. Step 2: Convert to fraction form
    406,938.06/610,483.62 = 163,797.72/x
  3. Step 3: Cross multiply
    406,938.06x = 610,483.62 × 163,797.72
  4. Step 4: Simplify right side
    406,938.06x = 99,995,825,053.35
  5. Step 5: Solve for x
    x = 99,995,825,053.35/406,938.06
  6. Step 6: Final answer
    x = 245,727.38

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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.