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Finding the Fourth Proportional to 350,163.55, 525,409.35 and 172,573.69

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Solution

The fourth proportional to 350,163.55, 525,409.35 and 172,573.69 is: 258,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,163.55 : 525,409.35 = 172,573.69 : x
  2. Step 2: Convert to fraction form
    350,163.55/525,409.35 = 172,573.69/x
  3. Step 3: Cross multiply
    350,163.55x = 525,409.35 × 172,573.69
  4. Step 4: Simplify right side
    350,163.55x = 90,671,830,290.00
  5. Step 5: Solve for x
    x = 90,671,830,290.00/350,163.55
  6. Step 6: Final answer
    x = 258,941.37

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1.5x scale

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.