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Finding the Fourth Proportional to 304,090.05, 419,192.54 and 260,861.26

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Solution

The fourth proportional to 304,090.05, 419,192.54 and 260,861.26 is: 359,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,090.05 : 419,192.54 = 260,861.26 : x
  2. Step 2: Convert to fraction form
    304,090.05/419,192.54 = 260,861.26/x
  3. Step 3: Cross multiply
    304,090.05x = 419,192.54 × 260,861.26
  4. Step 4: Simplify right side
    304,090.05x = 109,351,094,312.60
  5. Step 5: Solve for x
    x = 109,351,094,312.60/304,090.05
  6. Step 6: Final answer
    x = 359,601.03

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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.