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Finding the Fourth Proportional to 576,440.55, 864,213.10 and 373,608.45

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Solution

The fourth proportional to 576,440.55, 864,213.10 and 373,608.45 is: 560,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,440.55 : 864,213.10 = 373,608.45 : x
  2. Step 2: Convert to fraction form
    576,440.55/864,213.10 = 373,608.45/x
  3. Step 3: Cross multiply
    576,440.55x = 864,213.10 × 373,608.45
  4. Step 4: Simplify right side
    576,440.55x = 322,877,315,826.67
  5. Step 5: Solve for x
    x = 322,877,315,826.67/576,440.55
  6. Step 6: Final answer
    x = 560,122.49

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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.