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Finding the Fourth Proportional to 525,102.10, 785,903.55 and 483,111.70

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Solution

The fourth proportional to 525,102.10, 785,903.55 and 483,111.70 is: 723,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,102.10 : 785,903.55 = 483,111.70 : x
  2. Step 2: Convert to fraction form
    525,102.10/785,903.55 = 483,111.70/x
  3. Step 3: Cross multiply
    525,102.10x = 785,903.55 × 483,111.70
  4. Step 4: Simplify right side
    525,102.10x = 379,679,200,076.54
  5. Step 5: Solve for x
    x = 379,679,200,076.54/525,102.10
  6. Step 6: Final answer
    x = 723,057.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.