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Finding the Fourth Proportional to 536,289.86, 804,424.35 and 216,433.21

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Solution

The fourth proportional to 536,289.86, 804,424.35 and 216,433.21 is: 324,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,289.86 : 804,424.35 = 216,433.21 : x
  2. Step 2: Convert to fraction form
    536,289.86/804,424.35 = 216,433.21/x
  3. Step 3: Cross multiply
    536,289.86x = 804,424.35 × 216,433.21
  4. Step 4: Simplify right side
    536,289.86x = 174,104,143,073.23
  5. Step 5: Solve for x
    x = 174,104,143,073.23/536,289.86
  6. Step 6: Final answer
    x = 324,645.60

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Half scale
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Double scale
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Similar ratio
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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.