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Finding the Fourth Proportional to 552,365.75, 762,007.37 and 358,759.76

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Solution

The fourth proportional to 552,365.75, 762,007.37 and 358,759.76 is: 494,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,365.75 : 762,007.37 = 358,759.76 : x
  2. Step 2: Convert to fraction form
    552,365.75/762,007.37 = 358,759.76/x
  3. Step 3: Cross multiply
    552,365.75x = 762,007.37 × 358,759.76
  4. Step 4: Simplify right side
    552,365.75x = 273,377,575,575.60
  5. Step 5: Solve for x
    x = 273,377,575,575.60/552,365.75
  6. Step 6: Final answer
    x = 494,921.30

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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.