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Finding the Fourth Proportional to 546,630.30, 754,701.03 and 342,960.66

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Solution

The fourth proportional to 546,630.30, 754,701.03 and 342,960.66 is: 473,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,630.30 : 754,701.03 = 342,960.66 : x
  2. Step 2: Convert to fraction form
    546,630.30/754,701.03 = 342,960.66/x
  3. Step 3: Cross multiply
    546,630.30x = 754,701.03 × 342,960.66
  4. Step 4: Simplify right side
    546,630.30x = 258,832,763,351.48
  5. Step 5: Solve for x
    x = 258,832,763,351.48/546,630.30
  6. Step 6: Final answer
    x = 473,506.07

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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.