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Finding the Fourth Proportional to 663,093.10, 993,803.32 and 283,565.17

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Solution

The fourth proportional to 663,093.10, 993,803.32 and 283,565.17 is: 424,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,093.10 : 993,803.32 = 283,565.17 : x
  2. Step 2: Convert to fraction form
    663,093.10/993,803.32 = 283,565.17/x
  3. Step 3: Cross multiply
    663,093.10x = 993,803.32 × 283,565.17
  4. Step 4: Simplify right side
    663,093.10x = 281,808,007,382.36
  5. Step 5: Solve for x
    x = 281,808,007,382.36/663,093.10
  6. Step 6: Final answer
    x = 424,990.11

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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.