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Finding the Fourth Proportional to 493,967.12, 737,374.26 and 434,180.88

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Solution

The fourth proportional to 493,967.12, 737,374.26 and 434,180.88 is: 648,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,967.12 : 737,374.26 = 434,180.88 : x
  2. Step 2: Convert to fraction form
    493,967.12/737,374.26 = 434,180.88/x
  3. Step 3: Cross multiply
    493,967.12x = 737,374.26 × 434,180.88
  4. Step 4: Simplify right side
    493,967.12x = 320,153,805,096.15
  5. Step 5: Solve for x
    x = 320,153,805,096.15/493,967.12
  6. Step 6: Final answer
    x = 648,127.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.