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Finding the Fourth Proportional to 626,209.69, 864,250.77 and 350,672.45

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Solution

The fourth proportional to 626,209.69, 864,250.77 and 350,672.45 is: 483,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,209.69 : 864,250.77 = 350,672.45 : x
  2. Step 2: Convert to fraction form
    626,209.69/864,250.77 = 350,672.45/x
  3. Step 3: Cross multiply
    626,209.69x = 864,250.77 × 350,672.45
  4. Step 4: Simplify right side
    626,209.69x = 303,068,934,930.29
  5. Step 5: Solve for x
    x = 303,068,934,930.29/626,209.69
  6. Step 6: Final answer
    x = 483,973.56

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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.