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Finding the Fourth Proportional to 626,618.56, 940,860.96 and 253,370.56

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Solution

The fourth proportional to 626,618.56, 940,860.96 and 253,370.56 is: 380,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,618.56 : 940,860.96 = 253,370.56 : x
  2. Step 2: Convert to fraction form
    626,618.56/940,860.96 = 253,370.56/x
  3. Step 3: Cross multiply
    626,618.56x = 940,860.96 × 253,370.56
  4. Step 4: Simplify right side
    626,618.56x = 238,386,468,317.34
  5. Step 5: Solve for x
    x = 238,386,468,317.34/626,618.56
  6. Step 6: Final answer
    x = 380,433.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.