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Finding the Fourth Proportional to 631,100.07, 946,994.54 and 365,379.57

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Solution

The fourth proportional to 631,100.07, 946,994.54 and 365,379.57 is: 548,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,100.07 : 946,994.54 = 365,379.57 : x
  2. Step 2: Convert to fraction form
    631,100.07/946,994.54 = 365,379.57/x
  3. Step 3: Cross multiply
    631,100.07x = 946,994.54 × 365,379.57
  4. Step 4: Simplify right side
    631,100.07x = 346,012,455,990.65
  5. Step 5: Solve for x
    x = 346,012,455,990.65/631,100.07
  6. Step 6: Final answer
    x = 548,268.77

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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.