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Finding the Fourth Proportional to 216,262.98, 324,394.50 and 64,462.42

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Solution

The fourth proportional to 216,262.98, 324,394.50 and 64,462.42 is: 96,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,262.98 : 324,394.50 = 64,462.42 : x
  2. Step 2: Convert to fraction form
    216,262.98/324,394.50 = 64,462.42/x
  3. Step 3: Cross multiply
    216,262.98x = 324,394.50 × 64,462.42
  4. Step 4: Simplify right side
    216,262.98x = 20,911,254,504.69
  5. Step 5: Solve for x
    x = 20,911,254,504.69/216,262.98
  6. Step 6: Final answer
    x = 96,693.64

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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.