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Finding the Fourth Proportional to 360,532.05, 540,416.72 and 135,795.25

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Solution

The fourth proportional to 360,532.05, 540,416.72 and 135,795.25 is: 203,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,532.05 : 540,416.72 = 135,795.25 : x
  2. Step 2: Convert to fraction form
    360,532.05/540,416.72 = 135,795.25/x
  3. Step 3: Cross multiply
    360,532.05x = 540,416.72 × 135,795.25
  4. Step 4: Simplify right side
    360,532.05x = 73,386,023,596.58
  5. Step 5: Solve for x
    x = 73,386,023,596.58/360,532.05
  6. Step 6: Final answer
    x = 203,549.24

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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.