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Finding the Fourth Proportional to 310,238.69, 465,253.29 and 118,067.51

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Solution

The fourth proportional to 310,238.69, 465,253.29 and 118,067.51 is: 177,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,238.69 : 465,253.29 = 118,067.51 : x
  2. Step 2: Convert to fraction form
    310,238.69/465,253.29 = 118,067.51/x
  3. Step 3: Cross multiply
    310,238.69x = 465,253.29 × 118,067.51
  4. Step 4: Simplify right side
    310,238.69x = 54,931,295,143.34
  5. Step 5: Solve for x
    x = 54,931,295,143.34/310,238.69
  6. Step 6: Final answer
    x = 177,061.40

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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.