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Finding the Fourth Proportional to 536,291.86, 804,433.35 and 216,438.82

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Solution

The fourth proportional to 536,291.86, 804,433.35 and 216,438.82 is: 324,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,291.86 : 804,433.35 = 216,438.82 : x
  2. Step 2: Convert to fraction form
    536,291.86/804,433.35 = 216,438.82/x
  3. Step 3: Cross multiply
    536,291.86x = 804,433.35 × 216,438.82
  4. Step 4: Simplify right side
    536,291.86x = 174,110,605,042.65
  5. Step 5: Solve for x
    x = 174,110,605,042.65/536,291.86
  6. Step 6: Final answer
    x = 324,656.44

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1.5x scale

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.