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Finding the Fourth Proportional to 560,753.10, 773,829.33 and 319,030.47

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Solution

The fourth proportional to 560,753.10, 773,829.33 and 319,030.47 is: 440,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,753.10 : 773,829.33 = 319,030.47 : x
  2. Step 2: Convert to fraction form
    560,753.10/773,829.33 = 319,030.47/x
  3. Step 3: Cross multiply
    560,753.10x = 773,829.33 × 319,030.47
  4. Step 4: Simplify right side
    560,753.10x = 246,875,134,849.69
  5. Step 5: Solve for x
    x = 246,875,134,849.69/560,753.10
  6. Step 6: Final answer
    x = 440,256.39

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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.