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Finding the Fourth Proportional to 570,110.52, 855,413.82 and 357,365.96

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Solution

The fourth proportional to 570,110.52, 855,413.82 and 357,365.96 is: 536,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,110.52 : 855,413.82 = 357,365.96 : x
  2. Step 2: Convert to fraction form
    570,110.52/855,413.82 = 357,365.96/x
  3. Step 3: Cross multiply
    570,110.52x = 855,413.82 × 357,365.96
  4. Step 4: Simplify right side
    570,110.52x = 305,695,780,981.57
  5. Step 5: Solve for x
    x = 305,695,780,981.57/570,110.52
  6. Step 6: Final answer
    x = 536,204.42

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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.