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Finding the Fourth Proportional to 506,916.25, 699,496.94 and 302,926.56

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Solution

The fourth proportional to 506,916.25, 699,496.94 and 302,926.56 is: 418,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,916.25 : 699,496.94 = 302,926.56 : x
  2. Step 2: Convert to fraction form
    506,916.25/699,496.94 = 302,926.56/x
  3. Step 3: Cross multiply
    506,916.25x = 699,496.94 × 302,926.56
  4. Step 4: Simplify right side
    506,916.25x = 211,896,201,764.73
  5. Step 5: Solve for x
    x = 211,896,201,764.73/506,916.25
  6. Step 6: Final answer
    x = 418,010.28

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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.