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Finding the Fourth Proportional to 500,583.28, 750,866.88 and 121,507.12

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Solution

The fourth proportional to 500,583.28, 750,866.88 and 121,507.12 is: 182,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,583.28 : 750,866.88 = 121,507.12 : x
  2. Step 2: Convert to fraction form
    500,583.28/750,866.88 = 121,507.12/x
  3. Step 3: Cross multiply
    500,583.28x = 750,866.88 × 121,507.12
  4. Step 4: Simplify right side
    500,583.28x = 91,235,672,092.19
  5. Step 5: Solve for x
    x = 91,235,672,092.19/500,583.28
  6. Step 6: Final answer
    x = 182,258.73

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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.