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Finding the Fourth Proportional to 301,667.40, 452,630.70 and 153,923.40

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Solution

The fourth proportional to 301,667.40, 452,630.70 and 153,923.40 is: 230,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,667.40 : 452,630.70 = 153,923.40 : x
  2. Step 2: Convert to fraction form
    301,667.40/452,630.70 = 153,923.40/x
  3. Step 3: Cross multiply
    301,667.40x = 452,630.70 × 153,923.40
  4. Step 4: Simplify right side
    301,667.40x = 69,670,456,288.38
  5. Step 5: Solve for x
    x = 69,670,456,288.38/301,667.40
  6. Step 6: Final answer
    x = 230,951.23

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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.