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Finding the Fourth Proportional to 518,212.44, 777,346.53 and 163,254.24

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Solution

The fourth proportional to 518,212.44, 777,346.53 and 163,254.24 is: 244,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,212.44 : 777,346.53 = 163,254.24 : x
  2. Step 2: Convert to fraction form
    518,212.44/777,346.53 = 163,254.24/x
  3. Step 3: Cross multiply
    518,212.44x = 777,346.53 × 163,254.24
  4. Step 4: Simplify right side
    518,212.44x = 126,905,116,971.79
  5. Step 5: Solve for x
    x = 126,905,116,971.79/518,212.44
  6. Step 6: Final answer
    x = 244,890.14

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1.5x scale

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.