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Finding the Fourth Proportional to 452,407.84, 624,399.63 and 261,531.88

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Solution

The fourth proportional to 452,407.84, 624,399.63 and 261,531.88 is: 360,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,407.84 : 624,399.63 = 261,531.88 : x
  2. Step 2: Convert to fraction form
    452,407.84/624,399.63 = 261,531.88/x
  3. Step 3: Cross multiply
    452,407.84x = 624,399.63 × 261,531.88
  4. Step 4: Simplify right side
    452,407.84x = 163,300,409,105.20
  5. Step 5: Solve for x
    x = 163,300,409,105.20/452,407.84
  6. Step 6: Final answer
    x = 360,958.40

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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.