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Finding the Fourth Proportional to 550,119.72, 759,413.91 and 346,469.91

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Solution

The fourth proportional to 550,119.72, 759,413.91 and 346,469.91 is: 478,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,119.72 : 759,413.91 = 346,469.91 : x
  2. Step 2: Convert to fraction form
    550,119.72/759,413.91 = 346,469.91/x
  3. Step 3: Cross multiply
    550,119.72x = 759,413.91 × 346,469.91
  4. Step 4: Simplify right side
    550,119.72x = 263,114,069,050.45
  5. Step 5: Solve for x
    x = 263,114,069,050.45/550,119.72
  6. Step 6: Final answer
    x = 478,285.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.