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Finding the Fourth Proportional to 292,571.54, 438,857.27 and 102,987.26

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Solution

The fourth proportional to 292,571.54, 438,857.27 and 102,987.26 is: 154,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,571.54 : 438,857.27 = 102,987.26 : x
  2. Step 2: Convert to fraction form
    292,571.54/438,857.27 = 102,987.26/x
  3. Step 3: Cross multiply
    292,571.54x = 438,857.27 × 102,987.26
  4. Step 4: Simplify right side
    292,571.54x = 45,196,707,768.38
  5. Step 5: Solve for x
    x = 45,196,707,768.38/292,571.54
  6. Step 6: Final answer
    x = 154,480.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.