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Finding the Fourth Proportional to 666,902.34, 920,325.24 and 365,096.34

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Solution

The fourth proportional to 666,902.34, 920,325.24 and 365,096.34 is: 503,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,902.34 : 920,325.24 = 365,096.34 : x
  2. Step 2: Convert to fraction form
    666,902.34/920,325.24 = 365,096.34/x
  3. Step 3: Cross multiply
    666,902.34x = 920,325.24 × 365,096.34
  4. Step 4: Simplify right side
    666,902.34x = 336,007,376,733.62
  5. Step 5: Solve for x
    x = 336,007,376,733.62/666,902.34
  6. Step 6: Final answer
    x = 503,832.96

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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.