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Finding the Fourth Proportional to 984,497, 1,358,606.42 and 531,788

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Solution

The fourth proportional to 984,497, 1,358,606.42 and 531,788 is: 733,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,497 : 1,358,606.42 = 531,788 : x
  2. Step 2: Convert to fraction form
    984,497/1,358,606.42 = 531,788/x
  3. Step 3: Cross multiply
    984,497x = 1,358,606.42 × 531,788
  4. Step 4: Simplify right side
    984,497x = 722,490,590,878.96
  5. Step 5: Solve for x
    x = 722,490,590,878.96/984,497
  6. Step 6: Final answer
    x = 733,867.74

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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.