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Finding the Fourth Proportional to 575,405.82, 794,400.48 and 511,567.20

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Solution

The fourth proportional to 575,405.82, 794,400.48 and 511,567.20 is: 706,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,405.82 : 794,400.48 = 511,567.20 : x
  2. Step 2: Convert to fraction form
    575,405.82/794,400.48 = 511,567.20/x
  3. Step 3: Cross multiply
    575,405.82x = 794,400.48 × 511,567.20
  4. Step 4: Simplify right side
    575,405.82x = 406,389,229,232.26
  5. Step 5: Solve for x
    x = 406,389,229,232.26/575,405.82
  6. Step 6: Final answer
    x = 706,265.41

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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.