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Finding the Fourth Proportional to 405,697.10, 559,686.08 and 244,460.52

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Solution

The fourth proportional to 405,697.10, 559,686.08 and 244,460.52 is: 337,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,697.10 : 559,686.08 = 244,460.52 : x
  2. Step 2: Convert to fraction form
    405,697.10/559,686.08 = 244,460.52/x
  3. Step 3: Cross multiply
    405,697.10x = 559,686.08 × 244,460.52
  4. Step 4: Simplify right side
    405,697.10x = 136,821,148,931.26
  5. Step 5: Solve for x
    x = 136,821,148,931.26/405,697.10
  6. Step 6: Final answer
    x = 337,249.52

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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.