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Finding the Fourth Proportional to 707,121.41, 975,808.84 and 384,824.59

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Solution

The fourth proportional to 707,121.41, 975,808.84 and 384,824.59 is: 531,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,121.41 : 975,808.84 = 384,824.59 : x
  2. Step 2: Convert to fraction form
    707,121.41/975,808.84 = 384,824.59/x
  3. Step 3: Cross multiply
    707,121.41x = 975,808.84 × 384,824.59
  4. Step 4: Simplify right side
    707,121.41x = 375,515,236,771.38
  5. Step 5: Solve for x
    x = 375,515,236,771.38/707,121.41
  6. Step 6: Final answer
    x = 531,047.75

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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.