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Finding the Fourth Proportional to 350,095.03, 525,170.15 and 172,505.23

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Solution

The fourth proportional to 350,095.03, 525,170.15 and 172,505.23 is: 258,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,095.03 : 525,170.15 = 172,505.23 : x
  2. Step 2: Convert to fraction form
    350,095.03/525,170.15 = 172,505.23/x
  3. Step 3: Cross multiply
    350,095.03x = 525,170.15 × 172,505.23
  4. Step 4: Simplify right side
    350,095.03x = 90,594,597,514.88
  5. Step 5: Solve for x
    x = 90,594,597,514.88/350,095.03
  6. Step 6: Final answer
    x = 258,771.45

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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.