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Finding the Fourth Proportional to 495,504.78, 746,559.86 and 448,172.62

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Solution

The fourth proportional to 495,504.78, 746,559.86 and 448,172.62 is: 675,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,504.78 : 746,559.86 = 448,172.62 : x
  2. Step 2: Convert to fraction form
    495,504.78/746,559.86 = 448,172.62/x
  3. Step 3: Cross multiply
    495,504.78x = 746,559.86 × 448,172.62
  4. Step 4: Simplify right side
    495,504.78x = 334,587,688,443.03
  5. Step 5: Solve for x
    x = 334,587,688,443.03/495,504.78
  6. Step 6: Final answer
    x = 675,246.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.