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Finding the Fourth Proportional to 562,767.36, 843,552.64 and 385,224.32

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Solution

The fourth proportional to 562,767.36, 843,552.64 and 385,224.32 is: 577,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,767.36 : 843,552.64 = 385,224.32 : x
  2. Step 2: Convert to fraction form
    562,767.36/843,552.64 = 385,224.32/x
  3. Step 3: Cross multiply
    562,767.36x = 843,552.64 × 385,224.32
  4. Step 4: Simplify right side
    562,767.36x = 324,956,992,128.21
  5. Step 5: Solve for x
    x = 324,956,992,128.21/562,767.36
  6. Step 6: Final answer
    x = 577,426.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.