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Finding the Fourth Proportional to 557,675.56, 769,597.14 and 303,026.76

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Solution

The fourth proportional to 557,675.56, 769,597.14 and 303,026.76 is: 418,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,675.56 : 769,597.14 = 303,026.76 : x
  2. Step 2: Convert to fraction form
    557,675.56/769,597.14 = 303,026.76/x
  3. Step 3: Cross multiply
    557,675.56x = 769,597.14 × 303,026.76
  4. Step 4: Simplify right side
    557,675.56x = 233,208,527,839.47
  5. Step 5: Solve for x
    x = 233,208,527,839.47/557,675.56
  6. Step 6: Final answer
    x = 418,179.57

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Double scale
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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.