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Finding the Fourth Proportional to 223,827.70, 336,130.35 and 216,829.30

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Solution

The fourth proportional to 223,827.70, 336,130.35 and 216,829.30 is: 325,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,827.70 : 336,130.35 = 216,829.30 : x
  2. Step 2: Convert to fraction form
    223,827.70/336,130.35 = 216,829.30/x
  3. Step 3: Cross multiply
    223,827.70x = 336,130.35 × 216,829.30
  4. Step 4: Simplify right side
    223,827.70x = 72,882,908,499.26
  5. Step 5: Solve for x
    x = 72,882,908,499.26/223,827.70
  6. Step 6: Final answer
    x = 325,620.59

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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.