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Finding the Fourth Proportional to 559,439.55, 837,191.03 and 512,200.35

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Solution

The fourth proportional to 559,439.55, 837,191.03 and 512,200.35 is: 766,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,439.55 : 837,191.03 = 512,200.35 : x
  2. Step 2: Convert to fraction form
    559,439.55/837,191.03 = 512,200.35/x
  3. Step 3: Cross multiply
    559,439.55x = 837,191.03 × 512,200.35
  4. Step 4: Simplify right side
    559,439.55x = 428,809,536,021.86
  5. Step 5: Solve for x
    x = 428,809,536,021.86/559,439.55
  6. Step 6: Final answer
    x = 766,498.43

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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.