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Finding the Fourth Proportional to 492,068.90, 738,103.35 and 448,523.30

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Solution

The fourth proportional to 492,068.90, 738,103.35 and 448,523.30 is: 672,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,068.90 : 738,103.35 = 448,523.30 : x
  2. Step 2: Convert to fraction form
    492,068.90/738,103.35 = 448,523.30/x
  3. Step 3: Cross multiply
    492,068.90x = 738,103.35 × 448,523.30
  4. Step 4: Simplify right side
    492,068.90x = 331,056,550,283.06
  5. Step 5: Solve for x
    x = 331,056,550,283.06/492,068.90
  6. Step 6: Final answer
    x = 672,784.95

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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.