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Finding the Fourth Proportional to 292,667.69, 438,991.50 and 124,079.45

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Solution

The fourth proportional to 292,667.69, 438,991.50 and 124,079.45 is: 186,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,667.69 : 438,991.50 = 124,079.45 : x
  2. Step 2: Convert to fraction form
    292,667.69/438,991.50 = 124,079.45/x
  3. Step 3: Cross multiply
    292,667.69x = 438,991.50 × 124,079.45
  4. Step 4: Simplify right side
    292,667.69x = 54,469,821,679.72
  5. Step 5: Solve for x
    x = 54,469,821,679.72/292,667.69
  6. Step 6: Final answer
    x = 186,114.92

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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.