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Finding the Fourth Proportional to 490,667.52, 736,001.28 and 158,243.52

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Solution

The fourth proportional to 490,667.52, 736,001.28 and 158,243.52 is: 237,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,667.52 : 736,001.28 = 158,243.52 : x
  2. Step 2: Convert to fraction form
    490,667.52/736,001.28 = 158,243.52/x
  3. Step 3: Cross multiply
    490,667.52x = 736,001.28 × 158,243.52
  4. Step 4: Simplify right side
    490,667.52x = 116,467,433,271.71
  5. Step 5: Solve for x
    x = 116,467,433,271.71/490,667.52
  6. Step 6: Final answer
    x = 237,365.28

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Similar ratio
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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.