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Finding the Fourth Proportional to 350,151.20, 525,226.80 and 100,858.40

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Solution

The fourth proportional to 350,151.20, 525,226.80 and 100,858.40 is: 151,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,151.20 : 525,226.80 = 100,858.40 : x
  2. Step 2: Convert to fraction form
    350,151.20/525,226.80 = 100,858.40/x
  3. Step 3: Cross multiply
    350,151.20x = 525,226.80 × 100,858.40
  4. Step 4: Simplify right side
    350,151.20x = 52,973,534,685.12
  5. Step 5: Solve for x
    x = 52,973,534,685.12/350,151.20
  6. Step 6: Final answer
    x = 151,287.60

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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.