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Finding the Fourth Proportional to 405,598.70, 608,743.65 and 181,304.30

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Solution

The fourth proportional to 405,598.70, 608,743.65 and 181,304.30 is: 272,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,598.70 : 608,743.65 = 181,304.30 : x
  2. Step 2: Convert to fraction form
    405,598.70/608,743.65 = 181,304.30/x
  3. Step 3: Cross multiply
    405,598.70x = 608,743.65 × 181,304.30
  4. Step 4: Simplify right side
    405,598.70x = 110,367,841,342.70
  5. Step 5: Solve for x
    x = 110,367,841,342.70/405,598.70
  6. Step 6: Final answer
    x = 272,110.93

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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.