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Finding the Fourth Proportional to 573,971.89, 860,660.02 and 169,111.54

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Solution

The fourth proportional to 573,971.89, 860,660.02 and 169,111.54 is: 253,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,971.89 : 860,660.02 = 169,111.54 : x
  2. Step 2: Convert to fraction form
    573,971.89/860,660.02 = 169,111.54/x
  3. Step 3: Cross multiply
    573,971.89x = 860,660.02 × 169,111.54
  4. Step 4: Simplify right side
    573,971.89x = 145,547,541,842.89
  5. Step 5: Solve for x
    x = 145,547,541,842.89/573,971.89
  6. Step 6: Final answer
    x = 253,579.57

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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.