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Finding the Fourth Proportional to 273,897.38, 377,971.27 and 153,039.51

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Solution

The fourth proportional to 273,897.38, 377,971.27 and 153,039.51 is: 211,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,897.38 : 377,971.27 = 153,039.51 : x
  2. Step 2: Convert to fraction form
    273,897.38/377,971.27 = 153,039.51/x
  3. Step 3: Cross multiply
    273,897.38x = 377,971.27 × 153,039.51
  4. Step 4: Simplify right side
    273,897.38x = 57,844,537,201.25
  5. Step 5: Solve for x
    x = 57,844,537,201.25/273,897.38
  6. Step 6: Final answer
    x = 211,190.55

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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.