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Finding the Fourth Proportional to 575,362.76, 794,340.78 and 511,523.84

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Solution

The fourth proportional to 575,362.76, 794,340.78 and 511,523.84 is: 706,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,362.76 : 794,340.78 = 511,523.84 : x
  2. Step 2: Convert to fraction form
    575,362.76/794,340.78 = 511,523.84/x
  3. Step 3: Cross multiply
    575,362.76x = 794,340.78 × 511,523.84
  4. Step 4: Simplify right side
    575,362.76x = 406,324,242,082.49
  5. Step 5: Solve for x
    x = 406,324,242,082.49/575,362.76
  6. Step 6: Final answer
    x = 706,205.33

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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.