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Finding the Fourth Proportional to 546,179.76, 753,511.41 and 331,241.40

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Solution

The fourth proportional to 546,179.76, 753,511.41 and 331,241.40 is: 456,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,179.76 : 753,511.41 = 331,241.40 : x
  2. Step 2: Convert to fraction form
    546,179.76/753,511.41 = 331,241.40/x
  3. Step 3: Cross multiply
    546,179.76x = 753,511.41 × 331,241.40
  4. Step 4: Simplify right side
    546,179.76x = 249,594,174,364.37
  5. Step 5: Solve for x
    x = 249,594,174,364.37/546,179.76
  6. Step 6: Final answer
    x = 456,981.74

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1.5x scale

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.