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Finding the Fourth Proportional to 277,477.52, 382,921.71 and 150,155.84

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Solution

The fourth proportional to 277,477.52, 382,921.71 and 150,155.84 is: 207,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,477.52 : 382,921.71 = 150,155.84 : x
  2. Step 2: Convert to fraction form
    277,477.52/382,921.71 = 150,155.84/x
  3. Step 3: Cross multiply
    277,477.52x = 382,921.71 × 150,155.84
  4. Step 4: Simplify right side
    277,477.52x = 57,497,931,019.29
  5. Step 5: Solve for x
    x = 57,497,931,019.29/277,477.52
  6. Step 6: Final answer
    x = 207,216.54

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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.