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Finding the Fourth Proportional to 411,453.28, 567,778.72 and 230,133.76

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Solution

The fourth proportional to 411,453.28, 567,778.72 and 230,133.76 is: 317,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,453.28 : 567,778.72 = 230,133.76 : x
  2. Step 2: Convert to fraction form
    411,453.28/567,778.72 = 230,133.76/x
  3. Step 3: Cross multiply
    411,453.28x = 567,778.72 × 230,133.76
  4. Step 4: Simplify right side
    411,453.28x = 130,665,051,681.59
  5. Step 5: Solve for x
    x = 130,665,051,681.59/411,453.28
  6. Step 6: Final answer
    x = 317,569.60

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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.