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Finding the Fourth Proportional to 374,615.10, 561,995.55 and 108,384.30

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Solution

The fourth proportional to 374,615.10, 561,995.55 and 108,384.30 is: 162,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,615.10 : 561,995.55 = 108,384.30 : x
  2. Step 2: Convert to fraction form
    374,615.10/561,995.55 = 108,384.30/x
  3. Step 3: Cross multiply
    374,615.10x = 561,995.55 × 108,384.30
  4. Step 4: Simplify right side
    374,615.10x = 60,911,494,289.87
  5. Step 5: Solve for x
    x = 60,911,494,289.87/374,615.10
  6. Step 6: Final answer
    x = 162,597.54

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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.