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Finding the Fourth Proportional to 350,698.20, 525,701.70 and 173,232.60

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Solution

The fourth proportional to 350,698.20, 525,701.70 and 173,232.60 is: 259,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,698.20 : 525,701.70 = 173,232.60 : x
  2. Step 2: Convert to fraction form
    350,698.20/525,701.70 = 173,232.60/x
  3. Step 3: Cross multiply
    350,698.20x = 525,701.70 × 173,232.60
  4. Step 4: Simplify right side
    350,698.20x = 91,068,672,315.42
  5. Step 5: Solve for x
    x = 91,068,672,315.42/350,698.20
  6. Step 6: Final answer
    x = 259,678.19

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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.