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Finding the Fourth Proportional to 615,035.96, 922,521.13 and 165,749.61

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Solution

The fourth proportional to 615,035.96, 922,521.13 and 165,749.61 is: 248,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,035.96 : 922,521.13 = 165,749.61 : x
  2. Step 2: Convert to fraction form
    615,035.96/922,521.13 = 165,749.61/x
  3. Step 3: Cross multiply
    615,035.96x = 922,521.13 × 165,749.61
  4. Step 4: Simplify right side
    615,035.96x = 152,907,517,514.26
  5. Step 5: Solve for x
    x = 152,907,517,514.26/615,035.96
  6. Step 6: Final answer
    x = 248,615.57

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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.