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Finding the Fourth Proportional to 564,774.12, 779,392.53 and 323,041.77

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Solution

The fourth proportional to 564,774.12, 779,392.53 and 323,041.77 is: 445,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,774.12 : 779,392.53 = 323,041.77 : x
  2. Step 2: Convert to fraction form
    564,774.12/779,392.53 = 323,041.77/x
  3. Step 3: Cross multiply
    564,774.12x = 779,392.53 × 323,041.77
  4. Step 4: Simplify right side
    564,774.12x = 251,776,342,415.98
  5. Step 5: Solve for x
    x = 251,776,342,415.98/564,774.12
  6. Step 6: Final answer
    x = 445,800.07

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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.