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Finding the Fourth Proportional to 474,861.54, 655,309.08 and 260,015.22

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Solution

The fourth proportional to 474,861.54, 655,309.08 and 260,015.22 is: 358,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,861.54 : 655,309.08 = 260,015.22 : x
  2. Step 2: Convert to fraction form
    474,861.54/655,309.08 = 260,015.22/x
  3. Step 3: Cross multiply
    474,861.54x = 655,309.08 × 260,015.22
  4. Step 4: Simplify right side
    474,861.54x = 170,390,334,604.20
  5. Step 5: Solve for x
    x = 170,390,334,604.20/474,861.54
  6. Step 6: Final answer
    x = 358,821.09

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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.