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Finding the Fourth Proportional to 560,753.37, 773,829.66 and 319,030.74

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Solution

The fourth proportional to 560,753.37, 773,829.66 and 319,030.74 is: 440,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,753.37 : 773,829.66 = 319,030.74 : x
  2. Step 2: Convert to fraction form
    560,753.37/773,829.66 = 319,030.74/x
  3. Step 3: Cross multiply
    560,753.37x = 773,829.66 × 319,030.74
  4. Step 4: Simplify right side
    560,753.37x = 246,875,449,063.75
  5. Step 5: Solve for x
    x = 246,875,449,063.75/560,753.37
  6. Step 6: Final answer
    x = 440,256.74

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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.