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Finding the Fourth Proportional to 525,468.15, 725,104.31 and 343,892.48

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Solution

The fourth proportional to 525,468.15, 725,104.31 and 343,892.48 is: 474,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,468.15 : 725,104.31 = 343,892.48 : x
  2. Step 2: Convert to fraction form
    525,468.15/725,104.31 = 343,892.48/x
  3. Step 3: Cross multiply
    525,468.15x = 725,104.31 × 343,892.48
  4. Step 4: Simplify right side
    525,468.15x = 249,357,914,079.61
  5. Step 5: Solve for x
    x = 249,357,914,079.61/525,468.15
  6. Step 6: Final answer
    x = 474,544.30

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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.