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Finding the Fourth Proportional to 307,590.10, 461,385.15 and 167,622.10

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Solution

The fourth proportional to 307,590.10, 461,385.15 and 167,622.10 is: 251,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,590.10 : 461,385.15 = 167,622.10 : x
  2. Step 2: Convert to fraction form
    307,590.10/461,385.15 = 167,622.10/x
  3. Step 3: Cross multiply
    307,590.10x = 461,385.15 × 167,622.10
  4. Step 4: Simplify right side
    307,590.10x = 77,338,347,751.82
  5. Step 5: Solve for x
    x = 77,338,347,751.82/307,590.10
  6. Step 6: Final answer
    x = 251,433.15

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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.