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Finding the Fourth Proportional to 537,699.60, 806,549.40 and 511,455.60

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Solution

The fourth proportional to 537,699.60, 806,549.40 and 511,455.60 is: 767,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,699.60 : 806,549.40 = 511,455.60 : x
  2. Step 2: Convert to fraction form
    537,699.60/806,549.40 = 511,455.60/x
  3. Step 3: Cross multiply
    537,699.60x = 806,549.40 × 511,455.60
  4. Step 4: Simplify right side
    537,699.60x = 412,514,207,306.64
  5. Step 5: Solve for x
    x = 412,514,207,306.64/537,699.60
  6. Step 6: Final answer
    x = 767,183.40

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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.