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Finding the Fourth Proportional to 600,121.80, 828,246.42 and 345,483.72

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Solution

The fourth proportional to 600,121.80, 828,246.42 and 345,483.72 is: 476,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,121.80 : 828,246.42 = 345,483.72 : x
  2. Step 2: Convert to fraction form
    600,121.80/828,246.42 = 345,483.72/x
  3. Step 3: Cross multiply
    600,121.80x = 828,246.42 × 345,483.72
  4. Step 4: Simplify right side
    600,121.80x = 286,145,654,258.28
  5. Step 5: Solve for x
    x = 286,145,654,258.28/600,121.80
  6. Step 6: Final answer
    x = 476,812.63

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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.