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Finding the Fourth Proportional to 567,020.40, 850,645.80 and 193,081.20

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Solution

The fourth proportional to 567,020.40, 850,645.80 and 193,081.20 is: 289,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,020.40 : 850,645.80 = 193,081.20 : x
  2. Step 2: Convert to fraction form
    567,020.40/850,645.80 = 193,081.20/x
  3. Step 3: Cross multiply
    567,020.40x = 850,645.80 × 193,081.20
  4. Step 4: Simplify right side
    567,020.40x = 164,243,711,838.96
  5. Step 5: Solve for x
    x = 164,243,711,838.96/567,020.40
  6. Step 6: Final answer
    x = 289,661.03

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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.