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Finding the Fourth Proportional to 277,500.40, 382,967.78 and 156,597.56

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Solution

The fourth proportional to 277,500.40, 382,967.78 and 156,597.56 is: 216,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,500.40 : 382,967.78 = 156,597.56 : x
  2. Step 2: Convert to fraction form
    277,500.40/382,967.78 = 156,597.56/x
  3. Step 3: Cross multiply
    277,500.40x = 382,967.78 × 156,597.56
  4. Step 4: Simplify right side
    277,500.40x = 59,971,819,906.62
  5. Step 5: Solve for x
    x = 59,971,819,906.62/277,500.40
  6. Step 6: Final answer
    x = 216,114.35

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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.