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Finding the Fourth Proportional to 350,043.20, 525,122.40 and 150,459.20

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Solution

The fourth proportional to 350,043.20, 525,122.40 and 150,459.20 is: 225,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,043.20 : 525,122.40 = 150,459.20 : x
  2. Step 2: Convert to fraction form
    350,043.20/525,122.40 = 150,459.20/x
  3. Step 3: Cross multiply
    350,043.20x = 525,122.40 × 150,459.20
  4. Step 4: Simplify right side
    350,043.20x = 79,009,496,206.08
  5. Step 5: Solve for x
    x = 79,009,496,206.08/350,043.20
  6. Step 6: Final answer
    x = 225,713.56

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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.