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Finding the Fourth Proportional to 600,152.20, 828,311.88 and 345,650.74

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Solution

The fourth proportional to 600,152.20, 828,311.88 and 345,650.74 is: 477,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,152.20 : 828,311.88 = 345,650.74 : x
  2. Step 2: Convert to fraction form
    600,152.20/828,311.88 = 345,650.74/x
  3. Step 3: Cross multiply
    600,152.20x = 828,311.88 × 345,650.74
  4. Step 4: Simplify right side
    600,152.20x = 286,306,614,272.79
  5. Step 5: Solve for x
    x = 286,306,614,272.79/600,152.20
  6. Step 6: Final answer
    x = 477,056.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.