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Finding the Fourth Proportional to 401,149.50, 552,419.70 and 375,506.52

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Solution

The fourth proportional to 401,149.50, 552,419.70 and 375,506.52 is: 517,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,149.50 : 552,419.70 = 375,506.52 : x
  2. Step 2: Convert to fraction form
    401,149.50/552,419.70 = 375,506.52/x
  3. Step 3: Cross multiply
    401,149.50x = 552,419.70 × 375,506.52
  4. Step 4: Simplify right side
    401,149.50x = 207,437,199,126.44
  5. Step 5: Solve for x
    x = 207,437,199,126.44/401,149.50
  6. Step 6: Final answer
    x = 517,106.96

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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.