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Finding the Fourth Proportional to 597,998.70, 896,998.05 and 198,701.10

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Solution

The fourth proportional to 597,998.70, 896,998.05 and 198,701.10 is: 298,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,998.70 : 896,998.05 = 198,701.10 : x
  2. Step 2: Convert to fraction form
    597,998.70/896,998.05 = 198,701.10/x
  3. Step 3: Cross multiply
    597,998.70x = 896,998.05 × 198,701.10
  4. Step 4: Simplify right side
    597,998.70x = 178,234,499,232.86
  5. Step 5: Solve for x
    x = 178,234,499,232.86/597,998.70
  6. Step 6: Final answer
    x = 298,051.65

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Double scale
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Similar ratio
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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.