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Finding the Fourth Proportional to 600,507.12, 828,699.39 and 328,576.80

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Solution

The fourth proportional to 600,507.12, 828,699.39 and 328,576.80 is: 453,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,507.12 : 828,699.39 = 328,576.80 : x
  2. Step 2: Convert to fraction form
    600,507.12/828,699.39 = 328,576.80/x
  3. Step 3: Cross multiply
    600,507.12x = 828,699.39 × 328,576.80
  4. Step 4: Simplify right side
    600,507.12x = 272,291,393,728.15
  5. Step 5: Solve for x
    x = 272,291,393,728.15/600,507.12
  6. Step 6: Final answer
    x = 453,435.75

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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.