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Finding the Fourth Proportional to 572,093.67, 857,808.18 and 216,913.95

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Solution

The fourth proportional to 572,093.67, 857,808.18 and 216,913.95 is: 325,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,093.67 : 857,808.18 = 216,913.95 : x
  2. Step 2: Convert to fraction form
    572,093.67/857,808.18 = 216,913.95/x
  3. Step 3: Cross multiply
    572,093.67x = 857,808.18 × 216,913.95
  4. Step 4: Simplify right side
    572,093.67x = 186,070,560,666.11
  5. Step 5: Solve for x
    x = 186,070,560,666.11/572,093.67
  6. Step 6: Final answer
    x = 325,244.92

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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.