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Finding the Fourth Proportional to 277,412.32, 382,822.41 and 156,550.39

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Solution

The fourth proportional to 277,412.32, 382,822.41 and 156,550.39 is: 216,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,412.32 : 382,822.41 = 156,550.39 : x
  2. Step 2: Convert to fraction form
    277,412.32/382,822.41 = 156,550.39/x
  3. Step 3: Cross multiply
    277,412.32x = 382,822.41 × 156,550.39
  4. Step 4: Simplify right side
    277,412.32x = 59,930,997,586.24
  5. Step 5: Solve for x
    x = 59,930,997,586.24/277,412.32
  6. Step 6: Final answer
    x = 216,035.82

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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.