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Finding the Fourth Proportional to 570,999.73, 855,565.21 and 345,677.22

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Solution

The fourth proportional to 570,999.73, 855,565.21 and 345,677.22 is: 517,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,999.73 : 855,565.21 = 345,677.22 : x
  2. Step 2: Convert to fraction form
    570,999.73/855,565.21 = 345,677.22/x
  3. Step 3: Cross multiply
    570,999.73x = 855,565.21 × 345,677.22
  4. Step 4: Simplify right side
    570,999.73x = 295,749,401,182.60
  5. Step 5: Solve for x
    x = 295,749,401,182.60/570,999.73
  6. Step 6: Final answer
    x = 517,950.16

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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.