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Finding the Fourth Proportional to 467,000.20, 700,500.30 and 407,951.20

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Solution

The fourth proportional to 467,000.20, 700,500.30 and 407,951.20 is: 611,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,000.20 : 700,500.30 = 407,951.20 : x
  2. Step 2: Convert to fraction form
    467,000.20/700,500.30 = 407,951.20/x
  3. Step 3: Cross multiply
    467,000.20x = 700,500.30 × 407,951.20
  4. Step 4: Simplify right side
    467,000.20x = 285,769,937,985.36
  5. Step 5: Solve for x
    x = 285,769,937,985.36/467,000.20
  6. Step 6: Final answer
    x = 611,926.80

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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.