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Finding the Fourth Proportional to 507,453.16, 700,283.46 and 281,093.80

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Solution

The fourth proportional to 507,453.16, 700,283.46 and 281,093.80 is: 387,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,453.16 : 700,283.46 = 281,093.80 : x
  2. Step 2: Convert to fraction form
    507,453.16/700,283.46 = 281,093.80/x
  3. Step 3: Cross multiply
    507,453.16x = 700,283.46 × 281,093.80
  4. Step 4: Simplify right side
    507,453.16x = 196,845,338,848.55
  5. Step 5: Solve for x
    x = 196,845,338,848.55/507,453.16
  6. Step 6: Final answer
    x = 387,908.39

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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.