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Finding the Fourth Proportional to 518,031.45, 777,152.27 and 162,962.88

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Solution

The fourth proportional to 518,031.45, 777,152.27 and 162,962.88 is: 244,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,031.45 : 777,152.27 = 162,962.88 : x
  2. Step 2: Convert to fraction form
    518,031.45/777,152.27 = 162,962.88/x
  3. Step 3: Cross multiply
    518,031.45x = 777,152.27 × 162,962.88
  4. Step 4: Simplify right side
    518,031.45x = 126,646,973,245.80
  5. Step 5: Solve for x
    x = 126,646,973,245.80/518,031.45
  6. Step 6: Final answer
    x = 244,477.39

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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.