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Finding the Fourth Proportional to 365,795.70, 512,463.90 and 365,795.70

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Solution

The fourth proportional to 365,795.70, 512,463.90 and 365,795.70 is: 512,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,795.70 : 512,463.90 = 365,795.70 : x
  2. Step 2: Convert to fraction form
    365,795.70/512,463.90 = 365,795.70/x
  3. Step 3: Cross multiply
    365,795.70x = 512,463.90 × 365,795.70
  4. Step 4: Simplify right side
    365,795.70x = 187,457,091,025.23
  5. Step 5: Solve for x
    x = 187,457,091,025.23/365,795.70
  6. Step 6: Final answer
    x = 512,463.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.