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Finding the Fourth Proportional to 624,109.26, 861,295.20 and 365,950.32

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Solution

The fourth proportional to 624,109.26, 861,295.20 and 365,950.32 is: 505,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,109.26 : 861,295.20 = 365,950.32 : x
  2. Step 2: Convert to fraction form
    624,109.26/861,295.20 = 365,950.32/x
  3. Step 3: Cross multiply
    624,109.26x = 861,295.20 × 365,950.32
  4. Step 4: Simplify right side
    624,109.26x = 315,191,254,054.46
  5. Step 5: Solve for x
    x = 315,191,254,054.46/624,109.26
  6. Step 6: Final answer
    x = 505,025.76

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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.