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Finding the Fourth Proportional to 450,849.60, 622,021.41 and 259,858.89

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Solution

The fourth proportional to 450,849.60, 622,021.41 and 259,858.89 is: 358,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,849.60 : 622,021.41 = 259,858.89 : x
  2. Step 2: Convert to fraction form
    450,849.60/622,021.41 = 259,858.89/x
  3. Step 3: Cross multiply
    450,849.60x = 622,021.41 × 259,858.89
  4. Step 4: Simplify right side
    450,849.60x = 161,637,793,158.84
  5. Step 5: Solve for x
    x = 161,637,793,158.84/450,849.60
  6. Step 6: Final answer
    x = 358,518.21

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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.