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Finding the Fourth Proportional to 453,699.42, 680,497.29 and 121,301.34

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Solution

The fourth proportional to 453,699.42, 680,497.29 and 121,301.34 is: 181,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,699.42 : 680,497.29 = 121,301.34 : x
  2. Step 2: Convert to fraction form
    453,699.42/680,497.29 = 121,301.34/x
  3. Step 3: Cross multiply
    453,699.42x = 680,497.29 × 121,301.34
  4. Step 4: Simplify right side
    453,699.42x = 82,545,233,143.37
  5. Step 5: Solve for x
    x = 82,545,233,143.37/453,699.42
  6. Step 6: Final answer
    x = 181,938.15

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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.