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Finding the Fourth Proportional to 570,441.24, 855,791.64 and 304,061.40

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Solution

The fourth proportional to 570,441.24, 855,791.64 and 304,061.40 is: 456,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,441.24 : 855,791.64 = 304,061.40 : x
  2. Step 2: Convert to fraction form
    570,441.24/855,791.64 = 304,061.40/x
  3. Step 3: Cross multiply
    570,441.24x = 855,791.64 × 304,061.40
  4. Step 4: Simplify right side
    570,441.24x = 260,213,204,166.70
  5. Step 5: Solve for x
    x = 260,213,204,166.70/570,441.24
  6. Step 6: Final answer
    x = 456,161.28

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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.