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Finding the Fourth Proportional to 469,666.60, 703,922.55 and 216,595.78

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Solution

The fourth proportional to 469,666.60, 703,922.55 and 216,595.78 is: 324,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,666.60 : 703,922.55 = 216,595.78 : x
  2. Step 2: Convert to fraction form
    469,666.60/703,922.55 = 216,595.78/x
  3. Step 3: Cross multiply
    469,666.60x = 703,922.55 × 216,595.78
  4. Step 4: Simplify right side
    469,666.60x = 152,466,653,776.84
  5. Step 5: Solve for x
    x = 152,466,653,776.84/469,666.60
  6. Step 6: Final answer
    x = 324,627.41

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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.