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Finding the Fourth Proportional to 350,539.69, 525,598.93 and 137,053.25

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Solution

The fourth proportional to 350,539.69, 525,598.93 and 137,053.25 is: 205,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,539.69 : 525,598.93 = 137,053.25 : x
  2. Step 2: Convert to fraction form
    350,539.69/525,598.93 = 137,053.25/x
  3. Step 3: Cross multiply
    350,539.69x = 525,598.93 × 137,053.25
  4. Step 4: Simplify right side
    350,539.69x = 72,035,040,867.76
  5. Step 5: Solve for x
    x = 72,035,040,867.76/350,539.69
  6. Step 6: Final answer
    x = 205,497.53

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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.