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Finding the Fourth Proportional to 595,785.06, 893,396.82 and 216,438.30

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Solution

The fourth proportional to 595,785.06, 893,396.82 and 216,438.30 is: 324,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,785.06 : 893,396.82 = 216,438.30 : x
  2. Step 2: Convert to fraction form
    595,785.06/893,396.82 = 216,438.30/x
  3. Step 3: Cross multiply
    595,785.06x = 893,396.82 × 216,438.30
  4. Step 4: Simplify right side
    595,785.06x = 193,365,288,946.21
  5. Step 5: Solve for x
    x = 193,365,288,946.21/595,785.06
  6. Step 6: Final answer
    x = 324,555.45

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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.