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Finding the Fourth Proportional to 575,399.52, 794,391.60 and 511,560.72

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Solution

The fourth proportional to 575,399.52, 794,391.60 and 511,560.72 is: 706,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,399.52 : 794,391.60 = 511,560.72 : x
  2. Step 2: Convert to fraction form
    575,399.52/794,391.60 = 511,560.72/x
  3. Step 3: Cross multiply
    575,399.52x = 794,391.60 × 511,560.72
  4. Step 4: Simplify right side
    575,399.52x = 406,379,538,857.95
  5. Step 5: Solve for x
    x = 406,379,538,857.95/575,399.52
  6. Step 6: Final answer
    x = 706,256.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.