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Finding the Fourth Proportional to 662,760, 993,213.32 and 358,497.34

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Solution

The fourth proportional to 662,760, 993,213.32 and 358,497.34 is: 537,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,760 : 993,213.32 = 358,497.34 : x
  2. Step 2: Convert to fraction form
    662,760/993,213.32 = 358,497.34/x
  3. Step 3: Cross multiply
    662,760x = 993,213.32 × 358,497.34
  4. Step 4: Simplify right side
    662,760x = 356,064,328,997.05
  5. Step 5: Solve for x
    x = 356,064,328,997.05/662,760
  6. Step 6: Final answer
    x = 537,244.75

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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.