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Finding the Fourth Proportional to 350,438.20, 525,840.90 and 160,955.80

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Solution

The fourth proportional to 350,438.20, 525,840.90 and 160,955.80 is: 241,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,438.20 : 525,840.90 = 160,955.80 : x
  2. Step 2: Convert to fraction form
    350,438.20/525,840.90 = 160,955.80/x
  3. Step 3: Cross multiply
    350,438.20x = 525,840.90 × 160,955.80
  4. Step 4: Simplify right side
    350,438.20x = 84,637,142,732.22
  5. Step 5: Solve for x
    x = 84,637,142,732.22/350,438.20
  6. Step 6: Final answer
    x = 241,518.03

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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.