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Finding the Fourth Proportional to 472,474.56, 652,089.66 and 281,598.66

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Solution

The fourth proportional to 472,474.56, 652,089.66 and 281,598.66 is: 388,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,474.56 : 652,089.66 = 281,598.66 : x
  2. Step 2: Convert to fraction form
    472,474.56/652,089.66 = 281,598.66/x
  3. Step 3: Cross multiply
    472,474.56x = 652,089.66 × 281,598.66
  4. Step 4: Simplify right side
    472,474.56x = 183,627,574,455.86
  5. Step 5: Solve for x
    x = 183,627,574,455.86/472,474.56
  6. Step 6: Final answer
    x = 388,650.71

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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.