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Finding the Fourth Proportional to 341,018.96, 470,434.92 and 240,475.28

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Solution

The fourth proportional to 341,018.96, 470,434.92 and 240,475.28 is: 331,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,018.96 : 470,434.92 = 240,475.28 : x
  2. Step 2: Convert to fraction form
    341,018.96/470,434.92 = 240,475.28/x
  3. Step 3: Cross multiply
    341,018.96x = 470,434.92 × 240,475.28
  4. Step 4: Simplify right side
    341,018.96x = 113,127,969,108.78
  5. Step 5: Solve for x
    x = 113,127,969,108.78/341,018.96
  6. Step 6: Final answer
    x = 331,735.13

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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.