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Finding the Fourth Proportional to 376,166.01, 519,109.07 and 215,024.51

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Solution

The fourth proportional to 376,166.01, 519,109.07 and 215,024.51 is: 296,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,166.01 : 519,109.07 = 215,024.51 : x
  2. Step 2: Convert to fraction form
    376,166.01/519,109.07 = 215,024.51/x
  3. Step 3: Cross multiply
    376,166.01x = 519,109.07 × 215,024.51
  4. Step 4: Simplify right side
    376,166.01x = 111,621,173,413.31
  5. Step 5: Solve for x
    x = 111,621,173,413.31/376,166.01
  6. Step 6: Final answer
    x = 296,733.81

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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.