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Finding the Fourth Proportional to 216,341.73, 324,512.82 and 56,417.56

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Solution

The fourth proportional to 216,341.73, 324,512.82 and 56,417.56 is: 84,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,341.73 : 324,512.82 = 56,417.56 : x
  2. Step 2: Convert to fraction form
    216,341.73/324,512.82 = 56,417.56/x
  3. Step 3: Cross multiply
    216,341.73x = 324,512.82 × 56,417.56
  4. Step 4: Simplify right side
    216,341.73x = 18,308,220,681.84
  5. Step 5: Solve for x
    x = 18,308,220,681.84/216,341.73
  6. Step 6: Final answer
    x = 84,626.39

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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.