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Finding the Fourth Proportional to 575,393.94, 794,383.83 and 511,555.05

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Solution

The fourth proportional to 575,393.94, 794,383.83 and 511,555.05 is: 706,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,393.94 : 794,383.83 = 511,555.05 : x
  2. Step 2: Convert to fraction form
    575,393.94/794,383.83 = 511,555.05/x
  3. Step 3: Cross multiply
    575,393.94x = 794,383.83 × 511,555.05
  4. Step 4: Simplify right side
    575,393.94x = 406,371,059,874.84
  5. Step 5: Solve for x
    x = 406,371,059,874.84/575,393.94
  6. Step 6: Final answer
    x = 706,248.42

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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.