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Finding the Fourth Proportional to 440,526, 607,926.42 and 239,322

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Solution

The fourth proportional to 440,526, 607,926.42 and 239,322 is: 330,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,526 : 607,926.42 = 239,322 : x
  2. Step 2: Convert to fraction form
    440,526/607,926.42 = 239,322/x
  3. Step 3: Cross multiply
    440,526x = 607,926.42 × 239,322
  4. Step 4: Simplify right side
    440,526x = 145,490,166,687.24
  5. Step 5: Solve for x
    x = 145,490,166,687.24/440,526
  6. Step 6: Final answer
    x = 330,264.65

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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.