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Finding the Fourth Proportional to 277,393.64, 382,813.04 and 156,527.88

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Solution

The fourth proportional to 277,393.64, 382,813.04 and 156,527.88 is: 216,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,393.64 : 382,813.04 = 156,527.88 : x
  2. Step 2: Convert to fraction form
    277,393.64/382,813.04 = 156,527.88/x
  3. Step 3: Cross multiply
    277,393.64x = 382,813.04 × 156,527.88
  4. Step 4: Simplify right side
    277,393.64x = 59,920,913,587.56
  5. Step 5: Solve for x
    x = 59,920,913,587.56/277,393.64
  6. Step 6: Final answer
    x = 216,014.01

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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.