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Finding the Fourth Proportional to 600,385.45, 828,441.49 and 342,284.83

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Solution

The fourth proportional to 600,385.45, 828,441.49 and 342,284.83 is: 472,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,385.45 : 828,441.49 = 342,284.83 : x
  2. Step 2: Convert to fraction form
    600,385.45/828,441.49 = 342,284.83/x
  3. Step 3: Cross multiply
    600,385.45x = 828,441.49 × 342,284.83
  4. Step 4: Simplify right side
    600,385.45x = 283,562,954,569.60
  5. Step 5: Solve for x
    x = 283,562,954,569.60/600,385.45
  6. Step 6: Final answer
    x = 472,301.51

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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.