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Finding the Fourth Proportional to 503,445.86, 694,762.99 and 274,012.25

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Solution

The fourth proportional to 503,445.86, 694,762.99 and 274,012.25 is: 378,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,445.86 : 694,762.99 = 274,012.25 : x
  2. Step 2: Convert to fraction form
    503,445.86/694,762.99 = 274,012.25/x
  3. Step 3: Cross multiply
    503,445.86x = 694,762.99 × 274,012.25
  4. Step 4: Simplify right side
    503,445.86x = 190,373,570,106.63
  5. Step 5: Solve for x
    x = 190,373,570,106.63/503,445.86
  6. Step 6: Final answer
    x = 378,141.10

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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.