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Finding the Fourth Proportional to 452,384.84, 624,367.86 and 261,508.88

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Solution

The fourth proportional to 452,384.84, 624,367.86 and 261,508.88 is: 360,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,384.84 : 624,367.86 = 261,508.88 : x
  2. Step 2: Convert to fraction form
    452,384.84/624,367.86 = 261,508.88/x
  3. Step 3: Cross multiply
    452,384.84x = 624,367.86 × 261,508.88
  4. Step 4: Simplify right side
    452,384.84x = 163,277,739,776.60
  5. Step 5: Solve for x
    x = 163,277,739,776.60/452,384.84
  6. Step 6: Final answer
    x = 360,926.64

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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.