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Finding the Fourth Proportional to 468,983.02, 647,158.23 and 265,051.42

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Solution

The fourth proportional to 468,983.02, 647,158.23 and 265,051.42 is: 365,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,983.02 : 647,158.23 = 265,051.42 : x
  2. Step 2: Convert to fraction form
    468,983.02/647,158.23 = 265,051.42/x
  3. Step 3: Cross multiply
    468,983.02x = 647,158.23 × 265,051.42
  4. Step 4: Simplify right side
    468,983.02x = 171,530,207,826.19
  5. Step 5: Solve for x
    x = 171,530,207,826.19/468,983.02
  6. Step 6: Final answer
    x = 365,749.29

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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.