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Finding the Fourth Proportional to 550,533.32, 759,008.88 and 359,214.56

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Solution

The fourth proportional to 550,533.32, 759,008.88 and 359,214.56 is: 495,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,533.32 : 759,008.88 = 359,214.56 : x
  2. Step 2: Convert to fraction form
    550,533.32/759,008.88 = 359,214.56/x
  3. Step 3: Cross multiply
    550,533.32x = 759,008.88 × 359,214.56
  4. Step 4: Simplify right side
    550,533.32x = 272,647,040,865.29
  5. Step 5: Solve for x
    x = 272,647,040,865.29/550,533.32
  6. Step 6: Final answer
    x = 495,241.67

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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.