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Finding the Fourth Proportional to 575,385.11, 794,371.67 and 511,546.28

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Solution

The fourth proportional to 575,385.11, 794,371.67 and 511,546.28 is: 706,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,385.11 : 794,371.67 = 511,546.28 : x
  2. Step 2: Convert to fraction form
    575,385.11/794,371.67 = 511,546.28/x
  3. Step 3: Cross multiply
    575,385.11x = 794,371.67 × 511,546.28
  4. Step 4: Simplify right side
    575,385.11x = 406,357,872,725.89
  5. Step 5: Solve for x
    x = 406,357,872,725.89/575,385.11
  6. Step 6: Final answer
    x = 706,236.34

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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.