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Finding the Fourth Proportional to 602,420.22, 903,636.81 and 181,699.74

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Solution

The fourth proportional to 602,420.22, 903,636.81 and 181,699.74 is: 272,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,420.22 : 903,636.81 = 181,699.74 : x
  2. Step 2: Convert to fraction form
    602,420.22/903,636.81 = 181,699.74/x
  3. Step 3: Cross multiply
    602,420.22x = 903,636.81 × 181,699.74
  4. Step 4: Simplify right side
    602,420.22x = 164,190,573,431.43
  5. Step 5: Solve for x
    x = 164,190,573,431.43/602,420.22
  6. Step 6: Final answer
    x = 272,551.56

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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.