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Finding the Fourth Proportional to 662,525.70, 914,289.84 and 376,050.60

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Solution

The fourth proportional to 662,525.70, 914,289.84 and 376,050.60 is: 518,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,525.70 : 914,289.84 = 376,050.60 : x
  2. Step 2: Convert to fraction form
    662,525.70/914,289.84 = 376,050.60/x
  3. Step 3: Cross multiply
    662,525.70x = 914,289.84 × 376,050.60
  4. Step 4: Simplify right side
    662,525.70x = 343,819,242,905.90
  5. Step 5: Solve for x
    x = 343,819,242,905.90/662,525.70
  6. Step 6: Final answer
    x = 518,952.31

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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.