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Finding the Fourth Proportional to 711,510.06, 981,726.41 and 435,926.09

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Solution

The fourth proportional to 711,510.06, 981,726.41 and 435,926.09 is: 601,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,510.06 : 981,726.41 = 435,926.09 : x
  2. Step 2: Convert to fraction form
    711,510.06/981,726.41 = 435,926.09/x
  3. Step 3: Cross multiply
    711,510.06x = 981,726.41 × 435,926.09
  4. Step 4: Simplify right side
    711,510.06x = 427,960,155,361.04
  5. Step 5: Solve for x
    x = 427,960,155,361.04/711,510.06
  6. Step 6: Final answer
    x = 601,481.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.