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Finding the Fourth Proportional to 602,699.08, 903,720.54 and 181,920.28

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Solution

The fourth proportional to 602,699.08, 903,720.54 and 181,920.28 is: 272,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,699.08 : 903,720.54 = 181,920.28 : x
  2. Step 2: Convert to fraction form
    602,699.08/903,720.54 = 181,920.28/x
  3. Step 3: Cross multiply
    602,699.08x = 903,720.54 × 181,920.28
  4. Step 4: Simplify right side
    602,699.08x = 164,405,093,678.55
  5. Step 5: Solve for x
    x = 164,405,093,678.55/602,699.08
  6. Step 6: Final answer
    x = 272,781.39

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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.