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Finding the Fourth Proportional to 405,924.60, 560,401.14 and 244,820.28

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Solution

The fourth proportional to 405,924.60, 560,401.14 and 244,820.28 is: 337,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,924.60 : 560,401.14 = 244,820.28 : x
  2. Step 2: Convert to fraction form
    405,924.60/560,401.14 = 244,820.28/x
  3. Step 3: Cross multiply
    405,924.60x = 560,401.14 × 244,820.28
  4. Step 4: Simplify right side
    405,924.60x = 137,197,564,007.12
  5. Step 5: Solve for x
    x = 137,197,564,007.12/405,924.60
  6. Step 6: Final answer
    x = 337,987.80

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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.