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Finding the Fourth Proportional to 405,844.48, 560,290.62 and 244,740.34

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Solution

The fourth proportional to 405,844.48, 560,290.62 and 244,740.34 is: 337,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,844.48 : 560,290.62 = 244,740.34 : x
  2. Step 2: Convert to fraction form
    405,844.48/560,290.62 = 244,740.34/x
  3. Step 3: Cross multiply
    405,844.48x = 560,290.62 × 244,740.34
  4. Step 4: Simplify right side
    405,844.48x = 137,125,716,837.61
  5. Step 5: Solve for x
    x = 137,125,716,837.61/405,844.48
  6. Step 6: Final answer
    x = 337,877.50

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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.