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Finding the Fourth Proportional to 350,117.40, 525,176.10 and 325,234.20

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Solution

The fourth proportional to 350,117.40, 525,176.10 and 325,234.20 is: 487,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,117.40 : 525,176.10 = 325,234.20 : x
  2. Step 2: Convert to fraction form
    350,117.40/525,176.10 = 325,234.20/x
  3. Step 3: Cross multiply
    350,117.40x = 525,176.10 × 325,234.20
  4. Step 4: Simplify right side
    350,117.40x = 170,805,228,742.62
  5. Step 5: Solve for x
    x = 170,805,228,742.62/350,117.40
  6. Step 6: Final answer
    x = 487,851.30

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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.