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Finding the Fourth Proportional to 277,435.89, 382,860.95 and 150,111.45

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Solution

The fourth proportional to 277,435.89, 382,860.95 and 150,111.45 is: 207,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,435.89 : 382,860.95 = 150,111.45 : x
  2. Step 2: Convert to fraction form
    277,435.89/382,860.95 = 150,111.45/x
  3. Step 3: Cross multiply
    277,435.89x = 382,860.95 × 150,111.45
  4. Step 4: Simplify right side
    277,435.89x = 57,471,811,602.32
  5. Step 5: Solve for x
    x = 57,471,811,602.32/277,435.89
  6. Step 6: Final answer
    x = 207,153.49

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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.