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Finding the Fourth Proportional to 373,085.33, 514,842.73 and 203,315.81

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Solution

The fourth proportional to 373,085.33, 514,842.73 and 203,315.81 is: 280,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,085.33 : 514,842.73 = 203,315.81 : x
  2. Step 2: Convert to fraction form
    373,085.33/514,842.73 = 203,315.81/x
  3. Step 3: Cross multiply
    373,085.33x = 514,842.73 × 203,315.81
  4. Step 4: Simplify right side
    373,085.33x = 104,675,666,672.56
  5. Step 5: Solve for x
    x = 104,675,666,672.56/373,085.33
  6. Step 6: Final answer
    x = 280,567.63

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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.