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Finding the Fourth Proportional to 534,387.76, 737,954.58 and 343,732.12

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Solution

The fourth proportional to 534,387.76, 737,954.58 and 343,732.12 is: 474,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,387.76 : 737,954.58 = 343,732.12 : x
  2. Step 2: Convert to fraction form
    534,387.76/737,954.58 = 343,732.12/x
  3. Step 3: Cross multiply
    534,387.76x = 737,954.58 × 343,732.12
  4. Step 4: Simplify right side
    534,387.76x = 253,658,692,247.11
  5. Step 5: Solve for x
    x = 253,658,692,247.11/534,387.76
  6. Step 6: Final answer
    x = 474,671.60

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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.