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Finding the Fourth Proportional to 398,594.74, 597,226.38 and 280,053.85

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Solution

The fourth proportional to 398,594.74, 597,226.38 and 280,053.85 is: 419,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,594.74 : 597,226.38 = 280,053.85 : x
  2. Step 2: Convert to fraction form
    398,594.74/597,226.38 = 280,053.85/x
  3. Step 3: Cross multiply
    398,594.74x = 597,226.38 × 280,053.85
  4. Step 4: Simplify right side
    398,594.74x = 167,255,547,040.56
  5. Step 5: Solve for x
    x = 167,255,547,040.56/398,594.74
  6. Step 6: Final answer
    x = 419,613.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.