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Finding the Fourth Proportional to 600,343.76, 828,512.88 and 345,689.48

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Solution

The fourth proportional to 600,343.76, 828,512.88 and 345,689.48 is: 477,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,343.76 : 828,512.88 = 345,689.48 : x
  2. Step 2: Convert to fraction form
    600,343.76/828,512.88 = 345,689.48/x
  3. Step 3: Cross multiply
    600,343.76x = 828,512.88 × 345,689.48
  4. Step 4: Simplify right side
    600,343.76x = 286,408,186,660.50
  5. Step 5: Solve for x
    x = 286,408,186,660.50/600,343.76
  6. Step 6: Final answer
    x = 477,073.65

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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.