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Finding the Fourth Proportional to 335,156.32, 462,039.76 and 266,572

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Solution

The fourth proportional to 335,156.32, 462,039.76 and 266,572 is: 367,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,156.32 : 462,039.76 = 266,572 : x
  2. Step 2: Convert to fraction form
    335,156.32/462,039.76 = 266,572/x
  3. Step 3: Cross multiply
    335,156.32x = 462,039.76 × 266,572
  4. Step 4: Simplify right side
    335,156.32x = 123,166,862,902.72
  5. Step 5: Solve for x
    x = 123,166,862,902.72/335,156.32
  6. Step 6: Final answer
    x = 367,490.80

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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.