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Finding the Fourth Proportional to 600,205.74, 828,191.94 and 345,507.72

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Solution

The fourth proportional to 600,205.74, 828,191.94 and 345,507.72 is: 476,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,205.74 : 828,191.94 = 345,507.72 : x
  2. Step 2: Convert to fraction form
    600,205.74/828,191.94 = 345,507.72/x
  3. Step 3: Cross multiply
    600,205.74x = 828,191.94 × 345,507.72
  4. Step 4: Simplify right side
    600,205.74x = 286,146,708,911.78
  5. Step 5: Solve for x
    x = 286,146,708,911.78/600,205.74
  6. Step 6: Final answer
    x = 476,747.70

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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.