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Finding the Fourth Proportional to 475,437.98, 656,007.45 and 281,760.32

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Solution

The fourth proportional to 475,437.98, 656,007.45 and 281,760.32 is: 388,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,437.98 : 656,007.45 = 281,760.32 : x
  2. Step 2: Convert to fraction form
    475,437.98/656,007.45 = 281,760.32/x
  3. Step 3: Cross multiply
    475,437.98x = 656,007.45 × 281,760.32
  4. Step 4: Simplify right side
    475,437.98x = 184,836,869,034.38
  5. Step 5: Solve for x
    x = 184,836,869,034.38/475,437.98
  6. Step 6: Final answer
    x = 388,771.78

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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.