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Finding the Fourth Proportional to 529,537.20, 794,305.80 and 471,476.40

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Solution

The fourth proportional to 529,537.20, 794,305.80 and 471,476.40 is: 707,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,537.20 : 794,305.80 = 471,476.40 : x
  2. Step 2: Convert to fraction form
    529,537.20/794,305.80 = 471,476.40/x
  3. Step 3: Cross multiply
    529,537.20x = 794,305.80 × 471,476.40
  4. Step 4: Simplify right side
    529,537.20x = 374,496,439,083.12
  5. Step 5: Solve for x
    x = 374,496,439,083.12/529,537.20
  6. Step 6: Final answer
    x = 707,214.60

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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.