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Finding the Fourth Proportional to 554,383.35, 765,048.38 and 299,733.93

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Solution

The fourth proportional to 554,383.35, 765,048.38 and 299,733.93 is: 413,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,383.35 : 765,048.38 = 299,733.93 : x
  2. Step 2: Convert to fraction form
    554,383.35/765,048.38 = 299,733.93/x
  3. Step 3: Cross multiply
    554,383.35x = 765,048.38 × 299,733.93
  4. Step 4: Simplify right side
    554,383.35x = 229,310,956,078.86
  5. Step 5: Solve for x
    x = 229,310,956,078.86/554,383.35
  6. Step 6: Final answer
    x = 413,632.47

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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.