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Finding the Fourth Proportional to 350,323.39, 525,465.64 and 311,326.75

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Solution

The fourth proportional to 350,323.39, 525,465.64 and 311,326.75 is: 466,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,323.39 : 525,465.64 = 311,326.75 : x
  2. Step 2: Convert to fraction form
    350,323.39/525,465.64 = 311,326.75/x
  3. Step 3: Cross multiply
    350,323.39x = 525,465.64 × 311,326.75
  4. Step 4: Simplify right side
    350,323.39x = 163,591,509,937.87
  5. Step 5: Solve for x
    x = 163,591,509,937.87/350,323.39
  6. Step 6: Final answer
    x = 466,972.84

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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.