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Finding the Fourth Proportional to 451,054.50, 622,475.76 and 249,850.50

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Solution

The fourth proportional to 451,054.50, 622,475.76 and 249,850.50 is: 344,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,054.50 : 622,475.76 = 249,850.50 : x
  2. Step 2: Convert to fraction form
    451,054.50/622,475.76 = 249,850.50/x
  3. Step 3: Cross multiply
    451,054.50x = 622,475.76 × 249,850.50
  4. Step 4: Simplify right side
    451,054.50x = 155,525,879,873.88
  5. Step 5: Solve for x
    x = 155,525,879,873.88/451,054.50
  6. Step 6: Final answer
    x = 344,805.07

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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.