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Finding the Fourth Proportional to 496,426.41, 685,071.42 and 270,073.53

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Solution

The fourth proportional to 496,426.41, 685,071.42 and 270,073.53 is: 372,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,426.41 : 685,071.42 = 270,073.53 : x
  2. Step 2: Convert to fraction form
    496,426.41/685,071.42 = 270,073.53/x
  3. Step 3: Cross multiply
    496,426.41x = 685,071.42 × 270,073.53
  4. Step 4: Simplify right side
    496,426.41x = 185,019,656,701.51
  5. Step 5: Solve for x
    x = 185,019,656,701.51/496,426.41
  6. Step 6: Final answer
    x = 372,703.09

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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.