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Finding the Fourth Proportional to 984,494, 1,358,602.26 and 531,785

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Solution

The fourth proportional to 984,494, 1,358,602.26 and 531,785 is: 733,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,494 : 1,358,602.26 = 531,785 : x
  2. Step 2: Convert to fraction form
    984,494/1,358,602.26 = 531,785/x
  3. Step 3: Cross multiply
    984,494x = 1,358,602.26 × 531,785
  4. Step 4: Simplify right side
    984,494x = 722,484,302,834.10
  5. Step 5: Solve for x
    x = 722,484,302,834.10/984,494
  6. Step 6: Final answer
    x = 733,863.59

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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.