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Finding the Fourth Proportional to 504,464.40, 695,767.20 and 323,193.18

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Solution

The fourth proportional to 504,464.40, 695,767.20 and 323,193.18 is: 445,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,464.40 : 695,767.20 = 323,193.18 : x
  2. Step 2: Convert to fraction form
    504,464.40/695,767.20 = 323,193.18/x
  3. Step 3: Cross multiply
    504,464.40x = 695,767.20 × 323,193.18
  4. Step 4: Simplify right side
    504,464.40x = 224,867,213,907.70
  5. Step 5: Solve for x
    x = 224,867,213,907.70/504,464.40
  6. Step 6: Final answer
    x = 445,754.38

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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.