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Finding the Fourth Proportional to 624,798.80, 937,004.16 and 225,387.60

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Solution

The fourth proportional to 624,798.80, 937,004.16 and 225,387.60 is: 338,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,798.80 : 937,004.16 = 225,387.60 : x
  2. Step 2: Convert to fraction form
    624,798.80/937,004.16 = 225,387.60/x
  3. Step 3: Cross multiply
    624,798.80x = 937,004.16 × 225,387.60
  4. Step 4: Simplify right side
    624,798.80x = 211,189,118,812.42
  5. Step 5: Solve for x
    x = 211,189,118,812.42/624,798.80
  6. Step 6: Final answer
    x = 338,011.40

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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.