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Finding the Fourth Proportional to 534,574.24, 737,712.39 and 319,714.27

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Solution

The fourth proportional to 534,574.24, 737,712.39 and 319,714.27 is: 441,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,574.24 : 737,712.39 = 319,714.27 : x
  2. Step 2: Convert to fraction form
    534,574.24/737,712.39 = 319,714.27/x
  3. Step 3: Cross multiply
    534,574.24x = 737,712.39 × 319,714.27
  4. Step 4: Simplify right side
    534,574.24x = 235,857,178,238.81
  5. Step 5: Solve for x
    x = 235,857,178,238.81/534,574.24
  6. Step 6: Final answer
    x = 441,205.66

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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.