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Finding the Fourth Proportional to 534,727, 737,923.26 and 319,876.12

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Solution

The fourth proportional to 534,727, 737,923.26 and 319,876.12 is: 441,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,727 : 737,923.26 = 319,876.12 : x
  2. Step 2: Convert to fraction form
    534,727/737,923.26 = 319,876.12/x
  3. Step 3: Cross multiply
    534,727x = 737,923.26 × 319,876.12
  4. Step 4: Simplify right side
    534,727x = 236,044,029,266.55
  5. Step 5: Solve for x
    x = 236,044,029,266.55/534,727
  6. Step 6: Final answer
    x = 441,429.05

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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.