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Finding the Fourth Proportional to 356,514.94, 534,412.36 and 223,488.44

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Solution

The fourth proportional to 356,514.94, 534,412.36 and 223,488.44 is: 335,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,514.94 : 534,412.36 = 223,488.44 : x
  2. Step 2: Convert to fraction form
    356,514.94/534,412.36 = 223,488.44/x
  3. Step 3: Cross multiply
    356,514.94x = 534,412.36 × 223,488.44
  4. Step 4: Simplify right side
    356,514.94x = 119,434,984,653.12
  5. Step 5: Solve for x
    x = 119,434,984,653.12/356,514.94
  6. Step 6: Final answer
    x = 335,006.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.