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Finding the Fourth Proportional to 517,434.42, 776,155.07 and 180,473.81

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Solution

The fourth proportional to 517,434.42, 776,155.07 and 180,473.81 is: 270,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,434.42 : 776,155.07 = 180,473.81 : x
  2. Step 2: Convert to fraction form
    517,434.42/776,155.07 = 180,473.81/x
  3. Step 3: Cross multiply
    517,434.42x = 776,155.07 × 180,473.81
  4. Step 4: Simplify right side
    517,434.42x = 140,075,665,025.29
  5. Step 5: Solve for x
    x = 140,075,665,025.29/517,434.42
  6. Step 6: Final answer
    x = 270,711.92

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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.