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Finding the Fourth Proportional to 277,567.56, 383,041.71 and 156,707.73

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Solution

The fourth proportional to 277,567.56, 383,041.71 and 156,707.73 is: 216,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,567.56 : 383,041.71 = 156,707.73 : x
  2. Step 2: Convert to fraction form
    277,567.56/383,041.71 = 156,707.73/x
  3. Step 3: Cross multiply
    277,567.56x = 383,041.71 × 156,707.73
  4. Step 4: Simplify right side
    277,567.56x = 60,025,596,869.42
  5. Step 5: Solve for x
    x = 60,025,596,869.42/277,567.56
  6. Step 6: Final answer
    x = 216,255.81

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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.