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Finding the Fourth Proportional to 517,588.11, 776,460.53 and 162,568.76

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Solution

The fourth proportional to 517,588.11, 776,460.53 and 162,568.76 is: 243,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,588.11 : 776,460.53 = 162,568.76 : x
  2. Step 2: Convert to fraction form
    517,588.11/776,460.53 = 162,568.76/x
  3. Step 3: Cross multiply
    517,588.11x = 776,460.53 × 162,568.76
  4. Step 4: Simplify right side
    517,588.11x = 126,228,222,075.16
  5. Step 5: Solve for x
    x = 126,228,222,075.16/517,588.11
  6. Step 6: Final answer
    x = 243,877.75

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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.