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Finding the Fourth Proportional to 648,339.70, 971,844.44 and 248,872.90

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Solution

The fourth proportional to 648,339.70, 971,844.44 and 248,872.90 is: 373,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,339.70 : 971,844.44 = 248,872.90 : x
  2. Step 2: Convert to fraction form
    648,339.70/971,844.44 = 248,872.90/x
  3. Step 3: Cross multiply
    648,339.70x = 971,844.44 × 248,872.90
  4. Step 4: Simplify right side
    648,339.70x = 241,865,739,272.45
  5. Step 5: Solve for x
    x = 241,865,739,272.45/648,339.70
  6. Step 6: Final answer
    x = 373,054.04

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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.