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Finding the Fourth Proportional to 517,228.11, 775,592.28 and 180,260.82

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Solution

The fourth proportional to 517,228.11, 775,592.28 and 180,260.82 is: 270,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,228.11 : 775,592.28 = 180,260.82 : x
  2. Step 2: Convert to fraction form
    517,228.11/775,592.28 = 180,260.82/x
  3. Step 3: Cross multiply
    517,228.11x = 775,592.28 × 180,260.82
  4. Step 4: Simplify right side
    517,228.11x = 139,808,900,378.47
  5. Step 5: Solve for x
    x = 139,808,900,378.47/517,228.11
  6. Step 6: Final answer
    x = 270,304.14

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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.