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Finding the Fourth Proportional to 350,477.40, 525,716.10 and 125,945.40

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Solution

The fourth proportional to 350,477.40, 525,716.10 and 125,945.40 is: 188,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,477.40 : 525,716.10 = 125,945.40 : x
  2. Step 2: Convert to fraction form
    350,477.40/525,716.10 = 125,945.40/x
  3. Step 3: Cross multiply
    350,477.40x = 525,716.10 × 125,945.40
  4. Step 4: Simplify right side
    350,477.40x = 66,211,524,500.94
  5. Step 5: Solve for x
    x = 66,211,524,500.94/350,477.40
  6. Step 6: Final answer
    x = 188,918.10

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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.