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Finding the Fourth Proportional to 534,493.10, 737,612.36 and 305,045.82

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Solution

The fourth proportional to 534,493.10, 737,612.36 and 305,045.82 is: 420,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,493.10 : 737,612.36 = 305,045.82 : x
  2. Step 2: Convert to fraction form
    534,493.10/737,612.36 = 305,045.82/x
  3. Step 3: Cross multiply
    534,493.10x = 737,612.36 × 305,045.82
  4. Step 4: Simplify right side
    534,493.10x = 225,005,566,817.03
  5. Step 5: Solve for x
    x = 225,005,566,817.03/534,493.10
  6. Step 6: Final answer
    x = 420,970.01

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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.