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Finding the Fourth Proportional to 564,680.36, 779,157.24 and 319,663.46

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Solution

The fourth proportional to 564,680.36, 779,157.24 and 319,663.46 is: 441,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,680.36 : 779,157.24 = 319,663.46 : x
  2. Step 2: Convert to fraction form
    564,680.36/779,157.24 = 319,663.46/x
  3. Step 3: Cross multiply
    564,680.36x = 779,157.24 × 319,663.46
  4. Step 4: Simplify right side
    564,680.36x = 249,068,099,222.45
  5. Step 5: Solve for x
    x = 249,068,099,222.45/564,680.36
  6. Step 6: Final answer
    x = 441,078.03

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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.