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Finding the Fourth Proportional to 496,693.56, 685,437 and 270,340.68

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Solution

The fourth proportional to 496,693.56, 685,437 and 270,340.68 is: 373,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,693.56 : 685,437 = 270,340.68 : x
  2. Step 2: Convert to fraction form
    496,693.56/685,437 = 270,340.68/x
  3. Step 3: Cross multiply
    496,693.56x = 685,437 × 270,340.68
  4. Step 4: Simplify right side
    496,693.56x = 185,301,504,677.16
  5. Step 5: Solve for x
    x = 185,301,504,677.16/496,693.56
  6. Step 6: Final answer
    x = 373,070.08

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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.