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Finding the Fourth Proportional to 675,667.86, 932,421.75 and 369,744.32

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Solution

The fourth proportional to 675,667.86, 932,421.75 and 369,744.32 is: 510,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,667.86 : 932,421.75 = 369,744.32 : x
  2. Step 2: Convert to fraction form
    675,667.86/932,421.75 = 369,744.32/x
  3. Step 3: Cross multiply
    675,667.86x = 932,421.75 × 369,744.32
  4. Step 4: Simplify right side
    675,667.86x = 344,757,641,244.85
  5. Step 5: Solve for x
    x = 344,757,641,244.85/675,667.86
  6. Step 6: Final answer
    x = 510,247.21

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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.