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Finding the Fourth Proportional to 564,037.32, 845,635.22 and 339,345.11

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Solution

The fourth proportional to 564,037.32, 845,635.22 and 339,345.11 is: 508,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,037.32 : 845,635.22 = 339,345.11 : x
  2. Step 2: Convert to fraction form
    564,037.32/845,635.22 = 339,345.11/x
  3. Step 3: Cross multiply
    564,037.32x = 845,635.22 × 339,345.11
  4. Step 4: Simplify right side
    564,037.32x = 286,962,179,270.05
  5. Step 5: Solve for x
    x = 286,962,179,270.05/564,037.32
  6. Step 6: Final answer
    x = 508,764.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.