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Finding the Fourth Proportional to 625,327.92, 937,762.13 and 214,880.84

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Solution

The fourth proportional to 625,327.92, 937,762.13 and 214,880.84 is: 322,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,327.92 : 937,762.13 = 214,880.84 : x
  2. Step 2: Convert to fraction form
    625,327.92/937,762.13 = 214,880.84/x
  3. Step 3: Cross multiply
    625,327.92x = 937,762.13 × 214,880.84
  4. Step 4: Simplify right side
    625,327.92x = 201,507,114,214.59
  5. Step 5: Solve for x
    x = 201,507,114,214.59/625,327.92
  6. Step 6: Final answer
    x = 322,242.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.