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Finding the Fourth Proportional to 622,361.10, 933,590.73 and 306,645.90

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Solution

The fourth proportional to 622,361.10, 933,590.73 and 306,645.90 is: 459,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,361.10 : 933,590.73 = 306,645.90 : x
  2. Step 2: Convert to fraction form
    622,361.10/933,590.73 = 306,645.90/x
  3. Step 3: Cross multiply
    622,361.10x = 933,590.73 × 306,645.90
  4. Step 4: Simplify right side
    622,361.10x = 286,281,769,632.51
  5. Step 5: Solve for x
    x = 286,281,769,632.51/622,361.10
  6. Step 6: Final answer
    x = 459,993.03

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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.