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Finding the Fourth Proportional to 574,223.06, 792,413.81 and 316,097.67

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Solution

The fourth proportional to 574,223.06, 792,413.81 and 316,097.67 is: 436,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,223.06 : 792,413.81 = 316,097.67 : x
  2. Step 2: Convert to fraction form
    574,223.06/792,413.81 = 316,097.67/x
  3. Step 3: Cross multiply
    574,223.06x = 792,413.81 × 316,097.67
  4. Step 4: Simplify right side
    574,223.06x = 250,480,157,436.33
  5. Step 5: Solve for x
    x = 250,480,157,436.33/574,223.06
  6. Step 6: Final answer
    x = 436,207.07

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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.