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Finding the Fourth Proportional to 562,392.61, 843,785.74 and 163,057.34

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Solution

The fourth proportional to 562,392.61, 843,785.74 and 163,057.34 is: 244,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,392.61 : 843,785.74 = 163,057.34 : x
  2. Step 2: Convert to fraction form
    562,392.61/843,785.74 = 163,057.34/x
  3. Step 3: Cross multiply
    562,392.61x = 843,785.74 × 163,057.34
  4. Step 4: Simplify right side
    562,392.61x = 137,585,458,294.33
  5. Step 5: Solve for x
    x = 137,585,458,294.33/562,392.61
  6. Step 6: Final answer
    x = 244,643.08

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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.