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Finding the Fourth Proportional to 555,173.28, 832,499.76 and 200,140.32

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Solution

The fourth proportional to 555,173.28, 832,499.76 and 200,140.32 is: 300,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,173.28 : 832,499.76 = 200,140.32 : x
  2. Step 2: Convert to fraction form
    555,173.28/832,499.76 = 200,140.32/x
  3. Step 3: Cross multiply
    555,173.28x = 832,499.76 × 200,140.32
  4. Step 4: Simplify right side
    555,173.28x = 166,616,768,366.32
  5. Step 5: Solve for x
    x = 166,616,768,366.32/555,173.28
  6. Step 6: Final answer
    x = 300,116.69

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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.