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Finding the Fourth Proportional to 186,040.40, 279,060.60 and 184,290.80

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Solution

The fourth proportional to 186,040.40, 279,060.60 and 184,290.80 is: 276,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,040.40 : 279,060.60 = 184,290.80 : x
  2. Step 2: Convert to fraction form
    186,040.40/279,060.60 = 184,290.80/x
  3. Step 3: Cross multiply
    186,040.40x = 279,060.60 × 184,290.80
  4. Step 4: Simplify right side
    186,040.40x = 51,428,301,222.48
  5. Step 5: Solve for x
    x = 51,428,301,222.48/186,040.40
  6. Step 6: Final answer
    x = 276,436.20

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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.