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Finding the Fourth Proportional to 504,850.90, 696,696.24 and 275,413.10

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Solution

The fourth proportional to 504,850.90, 696,696.24 and 275,413.10 is: 380,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,850.90 : 696,696.24 = 275,413.10 : x
  2. Step 2: Convert to fraction form
    504,850.90/696,696.24 = 275,413.10/x
  3. Step 3: Cross multiply
    504,850.90x = 696,696.24 × 275,413.10
  4. Step 4: Simplify right side
    504,850.90x = 191,879,271,216.74
  5. Step 5: Solve for x
    x = 191,879,271,216.74/504,850.90
  6. Step 6: Final answer
    x = 380,071.17

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1.5x scale

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.