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Finding the Fourth Proportional to 531,448.60, 744,581 and 531,448.60

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Solution

The fourth proportional to 531,448.60, 744,581 and 531,448.60 is: 744,581

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,448.60 : 744,581 = 531,448.60 : x
  2. Step 2: Convert to fraction form
    531,448.60/744,581 = 531,448.60/x
  3. Step 3: Cross multiply
    531,448.60x = 744,581 × 531,448.60
  4. Step 4: Simplify right side
    531,448.60x = 395,706,530,036.60
  5. Step 5: Solve for x
    x = 395,706,530,036.60/531,448.60
  6. Step 6: Final answer
    x = 744,581

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.