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Finding the Fourth Proportional to 575,785.16, 863,830.90 and 196,705.34

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Solution

The fourth proportional to 575,785.16, 863,830.90 and 196,705.34 is: 295,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,785.16 : 863,830.90 = 196,705.34 : x
  2. Step 2: Convert to fraction form
    575,785.16/863,830.90 = 196,705.34/x
  3. Step 3: Cross multiply
    575,785.16x = 863,830.90 × 196,705.34
  4. Step 4: Simplify right side
    575,785.16x = 169,920,150,887.01
  5. Step 5: Solve for x
    x = 169,920,150,887.01/575,785.16
  6. Step 6: Final answer
    x = 295,110.33

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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.