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Finding the Fourth Proportional to 546,270.39, 754,329.15 and 342,671.28

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Solution

The fourth proportional to 546,270.39, 754,329.15 and 342,671.28 is: 473,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,270.39 : 754,329.15 = 342,671.28 : x
  2. Step 2: Convert to fraction form
    546,270.39/754,329.15 = 342,671.28/x
  3. Step 3: Cross multiply
    546,270.39x = 754,329.15 × 342,671.28
  4. Step 4: Simplify right side
    546,270.39x = 258,486,935,371.81
  5. Step 5: Solve for x
    x = 258,486,935,371.81/546,270.39
  6. Step 6: Final answer
    x = 473,184.96

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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.