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Finding the Fourth Proportional to 277,451.34, 382,880.84 and 156,591.57

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Solution

The fourth proportional to 277,451.34, 382,880.84 and 156,591.57 is: 216,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,451.34 : 382,880.84 = 156,591.57 : x
  2. Step 2: Convert to fraction form
    277,451.34/382,880.84 = 156,591.57/x
  3. Step 3: Cross multiply
    277,451.34x = 382,880.84 × 156,591.57
  4. Step 4: Simplify right side
    277,451.34x = 59,955,911,858.52
  5. Step 5: Solve for x
    x = 59,955,911,858.52/277,451.34
  6. Step 6: Final answer
    x = 216,095.23

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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.