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Finding the Fourth Proportional to 631,379.55, 947,062.83 and 364,970.55

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Solution

The fourth proportional to 631,379.55, 947,062.83 and 364,970.55 is: 547,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,379.55 : 947,062.83 = 364,970.55 : x
  2. Step 2: Convert to fraction form
    631,379.55/947,062.83 = 364,970.55/x
  3. Step 3: Cross multiply
    631,379.55x = 947,062.83 × 364,970.55
  4. Step 4: Simplify right side
    631,379.55x = 345,650,041,949.66
  5. Step 5: Solve for x
    x = 345,650,041,949.66/631,379.55
  6. Step 6: Final answer
    x = 547,452.07

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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.