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Finding the Fourth Proportional to 504,703.31, 696,314.67 and 323,515.14

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Solution

The fourth proportional to 504,703.31, 696,314.67 and 323,515.14 is: 446,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,703.31 : 696,314.67 = 323,515.14 : x
  2. Step 2: Convert to fraction form
    504,703.31/696,314.67 = 323,515.14/x
  3. Step 3: Cross multiply
    504,703.31x = 696,314.67 × 323,515.14
  4. Step 4: Simplify right side
    504,703.31x = 225,268,337,949.10
  5. Step 5: Solve for x
    x = 225,268,337,949.10/504,703.31
  6. Step 6: Final answer
    x = 446,338.15

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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.