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Finding the Fourth Proportional to 564,071.52, 778,411.44 and 322,351.32

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Solution

The fourth proportional to 564,071.52, 778,411.44 and 322,351.32 is: 444,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,071.52 : 778,411.44 = 322,351.32 : x
  2. Step 2: Convert to fraction form
    564,071.52/778,411.44 = 322,351.32/x
  3. Step 3: Cross multiply
    564,071.52x = 778,411.44 × 322,351.32
  4. Step 4: Simplify right side
    564,071.52x = 250,921,955,187.10
  5. Step 5: Solve for x
    x = 250,921,955,187.10/564,071.52
  6. Step 6: Final answer
    x = 444,840.67

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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.