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Finding the Fourth Proportional to 777,751.96, 1,073,330.76 and 433,587.82

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Solution

The fourth proportional to 777,751.96, 1,073,330.76 and 433,587.82 is: 598,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,751.96 : 1,073,330.76 = 433,587.82 : x
  2. Step 2: Convert to fraction form
    777,751.96/1,073,330.76 = 433,587.82/x
  3. Step 3: Cross multiply
    777,751.96x = 1,073,330.76 × 433,587.82
  4. Step 4: Simplify right side
    777,751.96x = 465,383,144,367.34
  5. Step 5: Solve for x
    x = 465,383,144,367.34/777,751.96
  6. Step 6: Final answer
    x = 598,369.62

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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.