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Finding the Fourth Proportional to 405,696.35, 559,685.04 and 244,459.77

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Solution

The fourth proportional to 405,696.35, 559,685.04 and 244,459.77 is: 337,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,696.35 : 559,685.04 = 244,459.77 : x
  2. Step 2: Convert to fraction form
    405,696.35/559,685.04 = 244,459.77/x
  3. Step 3: Cross multiply
    405,696.35x = 559,685.04 × 244,459.77
  4. Step 4: Simplify right side
    405,696.35x = 136,820,477,658.61
  5. Step 5: Solve for x
    x = 136,820,477,658.61/405,696.35
  6. Step 6: Final answer
    x = 337,248.48

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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.