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Finding the Fourth Proportional to 567,808.68, 849,941.40 and 418,217.88

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Solution

The fourth proportional to 567,808.68, 849,941.40 and 418,217.88 is: 626,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,808.68 : 849,941.40 = 418,217.88 : x
  2. Step 2: Convert to fraction form
    567,808.68/849,941.40 = 418,217.88/x
  3. Step 3: Cross multiply
    567,808.68x = 849,941.40 × 418,217.88
  4. Step 4: Simplify right side
    567,808.68x = 355,460,690,432.23
  5. Step 5: Solve for x
    x = 355,460,690,432.23/567,808.68
  6. Step 6: Final answer
    x = 626,021.94

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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.