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Finding the Fourth Proportional to 374,303.88, 561,475.98 and 149,698.44

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Solution

The fourth proportional to 374,303.88, 561,475.98 and 149,698.44 is: 224,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303.88 : 561,475.98 = 149,698.44 : x
  2. Step 2: Convert to fraction form
    374,303.88/561,475.98 = 149,698.44/x
  3. Step 3: Cross multiply
    374,303.88x = 561,475.98 × 149,698.44
  4. Step 4: Simplify right side
    374,303.88x = 84,052,078,303.47
  5. Step 5: Solve for x
    x = 84,052,078,303.47/374,303.88
  6. Step 6: Final answer
    x = 224,555.72

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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.