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Finding the Fourth Proportional to 988,746, 1,364,469.48 and 536,037

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Solution

The fourth proportional to 988,746, 1,364,469.48 and 536,037 is: 739,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,746 : 1,364,469.48 = 536,037 : x
  2. Step 2: Convert to fraction form
    988,746/1,364,469.48 = 536,037/x
  3. Step 3: Cross multiply
    988,746x = 1,364,469.48 × 536,037
  4. Step 4: Simplify right side
    988,746x = 731,406,126,650.76
  5. Step 5: Solve for x
    x = 731,406,126,650.76/988,746
  6. Step 6: Final answer
    x = 739,731.06

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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.