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Finding the Fourth Proportional to 277,478.81, 382,921.71 and 150,154.37

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Solution

The fourth proportional to 277,478.81, 382,921.71 and 150,154.37 is: 207,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,478.81 : 382,921.71 = 150,154.37 : x
  2. Step 2: Convert to fraction form
    277,478.81/382,921.71 = 150,154.37/x
  3. Step 3: Cross multiply
    277,478.81x = 382,921.71 × 150,154.37
  4. Step 4: Simplify right side
    277,478.81x = 57,497,368,124.37
  5. Step 5: Solve for x
    x = 57,497,368,124.37/277,478.81
  6. Step 6: Final answer
    x = 207,213.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.