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Finding the Fourth Proportional to 310,658.25, 465,239.98 and 177,133.71

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Solution

The fourth proportional to 310,658.25, 465,239.98 and 177,133.71 is: 265,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,658.25 : 465,239.98 = 177,133.71 : x
  2. Step 2: Convert to fraction form
    310,658.25/465,239.98 = 177,133.71/x
  3. Step 3: Cross multiply
    310,658.25x = 465,239.98 × 177,133.71
  4. Step 4: Simplify right side
    310,658.25x = 82,409,683,697.73
  5. Step 5: Solve for x
    x = 82,409,683,697.73/310,658.25
  6. Step 6: Final answer
    x = 265,274.41

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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.