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Finding the Fourth Proportional to 564,289.86, 778,719.96 and 322,577.83

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Solution

The fourth proportional to 564,289.86, 778,719.96 and 322,577.83 is: 445,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,289.86 : 778,719.96 = 322,577.83 : x
  2. Step 2: Convert to fraction form
    564,289.86/778,719.96 = 322,577.83/x
  3. Step 3: Cross multiply
    564,289.86x = 778,719.96 × 322,577.83
  4. Step 4: Simplify right side
    564,289.86x = 251,197,794,874.49
  5. Step 5: Solve for x
    x = 251,197,794,874.49/564,289.86
  6. Step 6: Final answer
    x = 445,157.38

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1.5x scale

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.