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Finding the Fourth Proportional to 216,383.94, 324,577.08 and 58,613.76

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Solution

The fourth proportional to 216,383.94, 324,577.08 and 58,613.76 is: 87,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,383.94 : 324,577.08 = 58,613.76 : x
  2. Step 2: Convert to fraction form
    216,383.94/324,577.08 = 58,613.76/x
  3. Step 3: Cross multiply
    216,383.94x = 324,577.08 × 58,613.76
  4. Step 4: Simplify right side
    216,383.94x = 19,024,683,068.62
  5. Step 5: Solve for x
    x = 19,024,683,068.62/216,383.94
  6. Step 6: Final answer
    x = 87,920.96

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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.