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Finding the Fourth Proportional to 536,495.81, 804,565.71 and 216,564.84

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Solution

The fourth proportional to 536,495.81, 804,565.71 and 216,564.84 is: 324,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,495.81 : 804,565.71 = 216,564.84 : x
  2. Step 2: Convert to fraction form
    536,495.81/804,565.71 = 216,564.84/x
  3. Step 3: Cross multiply
    536,495.81x = 804,565.71 × 216,564.84
  4. Step 4: Simplify right side
    536,495.81x = 174,240,644,255.64
  5. Step 5: Solve for x
    x = 174,240,644,255.64/536,495.81
  6. Step 6: Final answer
    x = 324,775.41

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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.