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Finding the Fourth Proportional to 560,752.37, 773,828.28 and 319,029.74

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Solution

The fourth proportional to 560,752.37, 773,828.28 and 319,029.74 is: 440,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,752.37 : 773,828.28 = 319,029.74 : x
  2. Step 2: Convert to fraction form
    560,752.37/773,828.28 = 319,029.74/x
  3. Step 3: Cross multiply
    560,752.37x = 773,828.28 × 319,029.74
  4. Step 4: Simplify right side
    560,752.37x = 246,874,231,103.91
  5. Step 5: Solve for x
    x = 246,874,231,103.91/560,752.37
  6. Step 6: Final answer
    x = 440,255.35

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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.